List of recurring characters from Sonic the Hedgehog (games)
Encyclopedia
The Sonic the Hedgehog video game franchise, originally started in 1991 with two main characters: the protagonist
Protagonist
A protagonist is the main character of a literary, theatrical, cinematic, or musical narrative, around whom the events of the narrative's plot revolve and with whom the audience is intended to most identify...

, Sonic the Hedgehog
Sonic the Hedgehog (character)
, trademarked Sonic The Hedgehog, is a video game character and the main protagonist of the Sonic video game series released by Sega, as well as in numerous spin-off comics, cartoons, and a feature film. The first game was released on June 23, 1991, to provide Sega with a mascot to rival Nintendo's...

, and an antagonist
Antagonist
An antagonist is a character, group of characters, or institution, that represents the opposition against which the protagonist must contend...

, Dr. Eggman. However, over two decades, Sega
Sega
, usually styled as SEGA, is a multinational video game software developer and an arcade software and hardware development company headquartered in Ōta, Tokyo, Japan, with various offices around the world...

 expanded the number of characters significantly. This list documents any notable characters that have appeared in more than one game.

Amy Rose

is a pink girl hedgehog who believes herself to be Sonic's girlfriend. Her first appearance in the games was in Sonic CD, introduced and kidnapped by Metal Sonic. Here, she had the nickname "Rosy the Rascal" and was named "Princess Sally" in the Western manuals, in order to tie in with the cartoon
Sonic the Hedgehog (TV series)
Sonic the Hedgehog: The Animated Series is an American animated series produced by DIC Entertainment with the partnership of Sega of America and was based on the Sonic the...

. After this appearance, she became known as Amy. Her first playable appearance was in Sonic Drift
Sonic Drift
The Sonic Drift games were a series of two racing games that featured characters from the Sonic the Hedgehog series. It was released for the Sega Game Gear in 1994 and 1995 respectively, and later re-released many years later in several other compilations.-Sonic Drift:Sonic Drift is a kart racing...

, although that game was not released outside of Japan, making Sonic Drift 2 her first playable game for other regions. Amy's skills with her "Piko Piko Hammer" are second to none.

Babylon Rogues

The Babylon Rogues are a group of avian thieves. The known members of the group include Jet the Hawk, Wave the Swallow, and Storm the Albatross. They have only appeared collectively in the three racing games Sonic Riders
Sonic Riders
is a video game spin-off produced by Sega and developed by Sonic Team in cooperation with NowPro, for the Nintendo GameCube, PlayStation 2, Xbox and PC. It is the fourth racing game in the Sonic the Hedgehog series, preceded by Sonic Drift, Sonic Drift 2 and Sonic R.The game was released to start...

, Sonic Riders: Zero Gravity
Sonic Riders: Zero Gravity
Sonic Riders: Zero Gravity released in Japan as , is a hoverboard racing video game published by Sega and developed by Sonic Team in cooperation with NowPro. It is the fifth racing game in the Sonic the Hedgehog series, following Sonic Drift, Sonic Drift 2, Sonic R and its predecessor, Sonic Riders...

and Sonic Free Riders
Sonic Free Riders
is a motion controlled racing video game in the Sonic the Hedgehog series. It is the third installment in the Sonic Riders series, following Sonic Riders: Zero Gravity. The game utilizes Microsoft's Kinect peripheral...

.

Jet the Hawk

is a green hawk
Hawk
The term hawk can be used in several ways:* In strict usage in Australia and Africa, to mean any of the species in the subfamily Accipitrinae, which comprises the genera Accipiter, Micronisus, Melierax, Urotriorchis and Megatriorchis. The large and widespread Accipiter genus includes goshawks,...

 and the leader of the Babylon Rogues, and nicknamed the "Legendary Wind Master" due to his mastery of Extreme Gear. This mastery comes from his forefathers. His skills make him a possible match to Sonic the Hedgehog, whom he considers a rival. Jet is aware of his duties as leader but must sometimes be helped by his team. Filled with extreme pride, the thing he likes most other than treasure is himself. He despises losing and those who are faster or more confident than him and fights using Bashyo Fans.

Outside the Sonic Riders series of games, he has had small appearrances in a few other games, including Sonic and the Black Knight
Sonic and the Black Knight
is a title within the Sonic the Hedgehog series, released exclusively on Wii as the second entry in the Sonic Storybook series, following on from Sonic and the Secret Rings. The game is directed by Tetsu Katano, who was the lead programmer of the Sonic Adventure titles and Sonic Heroes...

as a multi-player mode character only, a cameo as a trophy in Super Smash Bros. Brawl, Mario & Sonic at the Olympic Winter Games
Mario & Sonic at the Olympic Winter Games
is a 2009 sports video game developed by Sega. It was published by Nintendo for Japan and by Sega for North America and Europe. The game is officially licensed by the International Olympic Committee through exclusive license International Sports Multimedia...

 as a rival in festival mode.

Wave the Swallow

is a purple swallow
Swallow
The swallows and martins are a group of passerine birds in the family Hirundinidae which are characterised by their adaptation to aerial feeding...

 who is the current team's mechanic, as her father was for the previous generation of the Babylon Rogues. Gifted in this craft, she has a superb mechanical knowledge of Extreme Gear, which surpasses both Miles "Tails" Prower and Dr. Eggman. Because of this knowledge, she is full of confidence. She hates thick-headed or stupid people and notices everything, but her advice tends to be understandable only to her. Although she looks on Jet the Hawk as an "unreliable younger brother" and can be stubborn, she follows his leadership.

Storm the Albatross

is a hulking albatross
Albatross
Albatrosses, of the biological family Diomedeidae, are large seabirds allied to the procellariids, storm-petrels and diving-petrels in the order Procellariiformes . They range widely in the Southern Ocean and the North Pacific...

 who is described as the muscle of the Babylon Rogues and Jet the Hawk's "right hand man." The strength of his loyalty to Jet is greater than any other and he hates rivals to the team. When he is angry, he becomes destructive; and the raw power of his physical strength makes up for his lower intelligence and lack of speed. With his quick temper, he may stutter when flustered, and he hates having to wait.

Big the Cat

is a large, purple
Purple
Purple is a range of hues of color occurring between red and blue, and is classified as a secondary color as the colors are required to create the shade....

 anthropomorphic cat
Cat
The cat , also known as the domestic cat or housecat to distinguish it from other felids and felines, is a small, usually furry, domesticated, carnivorous mammal that is valued by humans for its companionship and for its ability to hunt vermin and household pests...

 with yellow
Yellow
Yellow is the color evoked by light that stimulates both the L and M cone cells of the retina about equally, with no significant stimulation of the S cone cells. Light with a wavelength of 570–590 nm is yellow, as is light with a suitable mixture of red and green...

 eyes and long ears who first debuted in Sonic Adventure
Sonic Adventure
is a 1999 platform video game developed by Sonic Team and released on December 23, 1998, in Japan by Sega for the Dreamcast. One of its development titles was Sonic RPG...

on the Dreamcast. Big is laid-back and easygoing, which is reflected in his speech. Strong but gentle and a little slow, he lives a normally peaceful life in the jungle with his best friend "Froggy." He loves fishing, and he is never without his favorite rod and lure.

He has appeared in various games as one of the main playable characters. He first appeared in Sonic Adventure, where he is after his best friend, Froggy, who swallows a Chaos Emerald and grows Chaos' tail. Big was also playable in Sonic Shuffle
Sonic Shuffle
is a video game for the Dreamcast and was Sega's answer to the Nintendo party game, Mario Party. The game was developed by Hudson Soft, who also developed Mario Party, and co-developed by Sonic Team.-Overview:...

.
Next, he appeared in Sonic Heroes
Sonic Heroes
is a 2004 platforming single-player/multiplayer video game in the Sonic the Hedgehog series developed by Sonic Team USA. It is the first multiplatform title in the Sonic series, developed for Nintendo GameCube, PlayStation 2 and Xbox and released in Japan in December 2003, in North America in...

helping Team Rose save Froggy and Chocola (Cheese's twin brother) who had been kidnapped by Metal Sonic, gain Chaos' data, and help stop Metal Madness. He appeared in Sonic Chronicles: The Dark Brotherhood
Sonic Chronicles: The Dark Brotherhood
Sonic Chronicles: The Dark Brotherhood is a Nintendo DS console role-playing game based on the Sonic the Hedgehog franchise, and developed by Canadian RPG developer BioWare as their first handheld video game project...

as one of the main characters. He was also in Sonic & Sega All-Stars Racing
Sonic & Sega All-Stars Racing
Sonic & Sega All-Stars Racing is a racing game in the Sega Superstars series produced for Wii, Xbox 360, PlayStation 3, Nintendo DS and Microsoft Windows, featuring characters from many Sega franchises. It is being published by Sega and developed by Sumo Digital...

as one of the playable characters. He rides a small green motorcycle and his All-Star move is to have his buddy Froggy grow huge. Then, Big grabs on to his tail and Froggy rams into Big's opponents.

He made cameo appearances in Sonic Adventure 2
Sonic Adventure 2
Sonic Adventure 2 is a platform game developed by Sonic Team and published by Sega for the Dreamcast video game console. It was released in North America on June 19, 2001 and in Japan on June 23, 2001 to mark the 10th anniversary of the release of the first Sonic the Hedgehog game. It is the sequel...

, Sonic and the Secret Rings
Sonic and the Secret Rings
is a video game developed by Sonic Team and published by Sega as part of the Sonic the Hedgehog series. It was released exclusively for the Wii on February 20, 2007 in North America; March 2 in Europe; and March 15 in Japan. It is the first Sonic game for the console, released in place of an...

, and Mario & Sonic at the Olympic Games
Mario & Sonic at the Olympic Games
Mario & Sonic at the Olympic Games, known in Japan as , is a sports video game developed by the Sega Sports R&D Department of Sega Japan. It was published by Nintendo for Japan and by Sega for North America, Europe and all other regions. The game is officially licensed by the International Olympic...

as one of the referees. He also made an appearance in the DS version of Sonic Colors
Sonic Colors
is a 2010 platforming game in the Sonic the Hedgehog series. It was first announced on May 26, 2010, in a press release by Sega for Italy, and it included a teaser trailer...

.

Big was featured in a McDonald's
McDonald's
McDonald's Corporation is the world's largest chain of hamburger fast food restaurants, serving around 64 million customers daily in 119 countries. Headquartered in the United States, the company began in 1940 as a barbecue restaurant operated by the eponymous Richard and Maurice McDonald; in 1948...

 promotion between December 3 and December 27, 2004. One of eight handheld dedicated console
Dedicated console
A dedicated console is a video game console that is dedicated to a built in game or games, and is not equipped for additional games, via cartridges or other media.- History :...

s packaged with Happy Meal
Happy Meal
A "Happy Meal" is a meal specifically marketed at children, sold at the fast-food chain McDonald's since June 1979. A toy is typically included with the food, both of which are usually contained in a small box or paper bag with the McDonald's logo....

s featured Big recreationally fishing
Recreational fishing
Recreational fishing, also called sport fishing, is fishing for pleasure or competition. It can be contrasted with commercial fishing, which is fishing for profit, or subsistence fishing, which is fishing for survival....

.

In a preview of Sonic and the Secret Rings, Nintendo Power
Nintendo Power
Nintendo Power magazine is a monthly news and strategy magazine formerly published in-house by Nintendo of America, but now run independently. As of issue #222 , Nintendo contracted publishing duties to Future US, the U.S. subsidiary of British publisher Future.The first issue published was...

praised the exclusion of Big from the game, referring to him as a "dim-witted, morbidly obese feline". However, Big later made his way into the game.

Froggy

is a frog
Frog
Frogs are amphibians in the order Anura , formerly referred to as Salientia . Most frogs are characterized by a short body, webbed digits , protruding eyes and the absence of a tail...

, and the best friend and buddy of Big the Cat. He has been rescued by Big and friends when he has gone missing or undergone a strange transformation.

Blaze the Cat

is a 15 year old cat who comes from royalty as a princess from an alternate dimension. She has been appointed as defender of the Sol Emeralds; her role is similar to that of Sonic the Hedgehog
Sonic the Hedgehog (character)
, trademarked Sonic The Hedgehog, is a video game character and the main protagonist of the Sonic video game series released by Sega, as well as in numerous spin-off comics, cartoons, and a feature film. The first game was released on June 23, 1991, to provide Sega with a mascot to rival Nintendo's...

 and Knuckles the Echidna
Knuckles the Echidna
Knuckles the Echidna is a video game character of the Sonic the Hedgehog game series, including spin-off games and comics. His first appearance was in Sonic the Hedgehog 3, released in 1994 to introduce a new rival for Sonic. He was presented as an antagonist who was tricked by Dr. Eggman into...

 combined. She is portrayed as calm and levelheaded, hiding her true feelings. She is sometimes "bogged down" by her own strict discipline and devotion to her position, making her appear withdrawn. Blaze can control fire, but wears a cape to conceal it as she was teased about her pyrokinetic
Pyrokinesis
Pyrokinesis, derived from the Greek words and , was the name coined by horror novelist Stephen King for the ability to create or to control fire with the mind that he gave to the protagonist Charlie McGee in Firestarter...

 abilities when she was young. Using the Sol Emeralds, she can transform into Burning Blaze. Blaze debuts in Sonic Rush
Sonic Rush
is a 2005 platform handheld video game developed by Sonic Team and Dimps exclusively for the Nintendo DS as part of Sega's Sonic the Hedgehog series. It was released on November 15, 2005 in North America, November 18 in the PAL region, and November 23 in Japan. It is a 2D platform game, but Sonic's...

as a playable character along with Sonic. She arrives in Sonic's dimension from another dimension along with the Sol Emeralds. While searching for the Emeralds, she befriends Sonic and Cream and helps them stop Dr. Eggman and Eggman Nega before returning to her dimension.
She appears in Sonic the Hedgehog as Silver the Hedgehog's friend during the future of Sonic's dimension. The two fight against Iblis and attempt to fix their ruined world by traveling back in time. Blaze eventually seals Iblis within her
body and disappears into another dimension; however, this event is reverted in the end, as are all other events in the game. She acts as a main character in Sonic Rush Adventure
Sonic Rush Adventure
is a 2007 Sonic the Hedgehog platform game for the Nintendo DS videogame handheld, developed by Dimps and Sonic Team, published by Sega. Sonic the Hedgehog and Blaze the Cat return as playable characters, alongside a new, slightly hotheaded female raccoon named Marine the Raccoon...

, where Sonic and Tails are transported to her dimension and help her retrieve the "Jeweled Scepter". She is an unlockable character in the Sonic and the Secret Rings
Sonic and the Secret Rings
is a video game developed by Sonic Team and published by Sega as part of the Sonic the Hedgehog series. It was released exclusively for the Wii on February 20, 2007 in North America; March 2 in Europe; and March 15 in Japan. It is the first Sonic game for the console, released in place of an...

multi-player mode and Sonic Riders: Zero Gravity
Sonic Riders: Zero Gravity
Sonic Riders: Zero Gravity released in Japan as , is a hoverboard racing video game published by Sega and developed by Sonic Team in cooperation with NowPro. It is the fifth racing game in the Sonic the Hedgehog series, following Sonic Drift, Sonic Drift 2, Sonic R and its predecessor, Sonic Riders...

as well as Sonic Free Riders
Sonic Free Riders
is a motion controlled racing video game in the Sonic the Hedgehog series. It is the third installment in the Sonic Riders series, following Sonic Riders: Zero Gravity. The game utilizes Microsoft's Kinect peripheral...

, she is also a playable character in Mario & Sonic at the Olympic Games
Mario & Sonic at the Olympic Games
Mario & Sonic at the Olympic Games, known in Japan as , is a sports video game developed by the Sega Sports R&D Department of Sega Japan. It was published by Nintendo for Japan and by Sega for North America, Europe and all other regions. The game is officially licensed by the International Olympic...

and its sequel Mario & Sonic at the Olympic Winter Games
Mario & Sonic at the Olympic Winter Games
is a 2009 sports video game developed by Sega. It was published by Nintendo for Japan and by Sega for North America and Europe. The game is officially licensed by the International Olympic Committee through exclusive license International Sports Multimedia...

as well.

Blaze is playable in Sonic and the Black Knight
Sonic and the Black Knight
is a title within the Sonic the Hedgehog series, released exclusively on Wii as the second entry in the Sonic Storybook series, following on from Sonic and the Secret Rings. The game is directed by Tetsu Katano, who was the lead programmer of the Sonic Adventure titles and Sonic Heroes...

, taking on the persona of Sir Percival
Percival
Percival or Perceval is one of King Arthur's legendary Knights of the Round Table. In Welsh literature his story is allotted to the historical Peredur...

 of the Knights of the Round Table, and is equipped with a Rapier
Rapier
A rapier is a slender, sharply pointed sword, ideally used for thrusting attacks, used mainly in Early Modern Europe during the 16th and 17th centuries.-Description:...

 sword.

Blaze has been called "a nice addition to Sonic's cast" and "one of the more complex, multifaceted characters in the Sonic canon". IGN remarked upon seeing her at TGS 2005 that she "easily earned her place in the team" amidst unremarkable secondary characters. Her gameplay has been praised as "fast-moving and fun" as opposed to slower characters introduced earlier in the series such as Big the Cat,

Chaos

is a Chao mutated by the Chaos Emeralds that acts as a guardian for its species, protects the Master Emerald, and provides clear water around the altar of the Master Emerald. It is a water-like being that can easily manipulate its body, allowing it to stretch limbs or liquefy itself. Without any Chaos Emeralds, it is known as Chaos 0, but with each Emerald it absorbs, it transforms into a more powerful form, eventually becoming "Perfect Chaos" with all 7 Emeralds.

After the Echidna tribe attempts to steal the Chaos Emeralds, harming various Chao in the process, Chaos absorbs the negative energy of the Emeralds, becomes Perfect Chaos and causes chaos until being sealed inside the Master Emerald with Tikal. From this it forever earns the title of 'God Of Destruction.' It is released thousands of years later in Sonic Adventure
Sonic Adventure
is a 1999 platform video game developed by Sonic Team and released on December 23, 1998, in Japan by Sega for the Dreamcast. One of its development titles was Sonic RPG...

, so Dr. Eggman can use it to conquer the world. Chaos, still filled with negative energy, absorbs Chaos Emeralds given to it by Eggman. After being defeated by Knuckles, he returns to Angel Island with the 6 Chaos Emeralds he took away from Chaos. Chaos tracks down the 6 emeralds at Angel Island then discovers the final Chaos Emerald in the Tornado 2 and he absorbs the last emerald and becomes Perfect Chaos. He then floods Station Square but is then defeated by Sonic who has absorbed the positive power of the chaos emeralds, which purifies Chaos, and allows it to leave peacefully with the spirit of Tikal. It reappears in Sonic Adventure 2
Sonic Adventure 2
Sonic Adventure 2 is a platform game developed by Sonic Team and published by Sega for the Dreamcast video game console. It was released in North America on June 19, 2001 and in Japan on June 23, 2001 to mark the 10th anniversary of the release of the first Sonic the Hedgehog game. It is the sequel...

as a bonus character and in Sonic Battle
Sonic Battle
Sonic Battle is a fighting game developed by Sonic Team and published by Sega and THQ for the Nintendo Game Boy Advance. It is the second fighting game in the Sonic the Hedgehog series, the first game being Sonic the Fighters...

as a playable character. He reappears in his perfect form in Sonic Generations
Sonic Generations
is a 2011 platform video game in the Sonic the Hedgehog series, produced by Sonic Team for PlayStation 3, Xbox 360, Microsoft Windows and Nintendo 3DS...

as a boss. He has a new look different than how he appeared in the Dreamcast game, with green teeth and dark blue reptilian skin for the upper half of his body. The lower half of his body is still made up of water. This was supposed to be how he always looked, but the technology of the Dreamcast at the time made this look impossible.

Chaotix

The Chaotix are a group who debuted in the game Knuckles' Chaotix
Knuckles' Chaotix
Knuckles' Chaotix, is a platform game spin-off to the Sonic the Hedgehog series, developed by Sonic Team, and published by Sega for the Sega 32X. The game was released in North America in March 1995, in Japan on April 21, 1995 and finally in Europe in May 1995. The game's only re-release since then...

as the main characters, and they have since established their own detective agency. The Chaotix are presented as a somewhat dysfunctional group and are often used in stories to add a sense of comedy to otherwise serious situations. The characters have been called "charming" and before the "parade of new characters" they were a "hoot".

Charmy Bee

is a bee
Bee
Bees are flying insects closely related to wasps and ants, and are known for their role in pollination and for producing honey and beeswax. Bees are a monophyletic lineage within the superfamily Apoidea, presently classified by the unranked taxon name Anthophila...

 who is the "scatter-brained funny-kid" of the Chaotix. He is cheerful, curious, playful, careless, and greatly energetic, often talking about things no one else cares about. Charmy's fooling around makes the rest of the detective agency staff look professional, and he is generally seen as a "cute mascot". Despite an innocent, good-natured and light-hearted personality, he uses his stinging tail on rare occasions that he gets angry. In addition being a playable character in Sonic Heroes and Shadow the Hedgehog, he made cameos in both Mario and Sonic at the Olympic Games installments as a referee.

Espio the Chameleon

is an anthropomorphic chameleon
Chameleon
Chameleons are a distinctive and highly specialized clade of lizards. They are distinguished by their parrot-like zygodactylous feet, their separately mobile and stereoscopic eyes, their very long, highly modified, and rapidly extrudable tongues, their swaying gait, the possession by many of a...

 who is an expert ninja
Ninja
A or was a covert agent or mercenary of feudal Japan specializing in unorthodox arts of war. The functions of the ninja included espionage, sabotage, infiltration, and assassination, as well as open combat in certain situations...

. He is described as the "guardian of honor" of the Chaotix, also being the calmest. He has a "militaristic discipline" while also being quiet and laid back. Confident in his skills, opinionated and self-obsessed, he revels in training and self discipline. He is not concerned by danger, and often yearns to face it in order to use his ninja skills. With his extensive training in ninjutsu
Ninjutsu
or may be:*the arts associated with espionage and assassination in feudal Japan, see Ninja*modern schools of martial arts claiming to be based in these traditions, see Modern Schools of Ninjutsu*fictional depictions, see Ninja in popular culture...

 and an ability to turn himself invisible, he is able to move around unnoticed. However, a blunder like a sneeze could cause him to inadvertently become visible.
Espio appears in Knuckles' Chaotix
Knuckles' Chaotix
Knuckles' Chaotix, is a platform game spin-off to the Sonic the Hedgehog series, developed by Sonic Team, and published by Sega for the Sega 32X. The game was released in North America in March 1995, in Japan on April 21, 1995 and finally in Europe in May 1995. The game's only re-release since then...

, Sonic The Fighters
Sonic the Fighters
Sonic the Fighters is a fighting game in the Sonic the Hedgehog series. The game's original Japanese title, Sonic The Fighters, is used in North American and European releases of Sonic Gems Collection.-Plot:...

, Sonic Heroes
Sonic Heroes
is a 2004 platforming single-player/multiplayer video game in the Sonic the Hedgehog series developed by Sonic Team USA. It is the first multiplatform title in the Sonic series, developed for Nintendo GameCube, PlayStation 2 and Xbox and released in Japan in December 2003, in North America in...

, Shadow The Hedgehog
Shadow the Hedgehog
is a character from the Sonic the Hedgehog series. Shadow is an artificially-created life form. His trademark hover shoes propel him at extreme speeds that rival those of Sonic, and with a Chaos Emerald he has the ability to distort time and space using "Chaos Control." Often referred to as being...

, Sonic Rivals 2
Sonic Rivals 2
Sonic Rivals 2 is the sequel to Sonic Rivals. The game was developed by Backbone Entertainment and supervised by Sega Studio USA, exclusively for the PlayStation Portable handheld videogame console. Sonic Rivals 2 was released on November 13, 2007 in North America...

, Sonic Colors
Sonic Colors
is a 2010 platforming game in the Sonic the Hedgehog series. It was first announced on May 26, 2010, in a press release by Sega for Italy, and it included a teaser trailer...

, Mario & Sonic at the Olympic Games
Mario & Sonic at the Olympic Games
Mario & Sonic at the Olympic Games, known in Japan as , is a sports video game developed by the Sega Sports R&D Department of Sega Japan. It was published by Nintendo for Japan and by Sega for North America, Europe and all other regions. The game is officially licensed by the International Olympic...

, and Mario & Sonic at the Olympic Winter Games
Mario & Sonic at the Olympic Winter Games
is a 2009 sports video game developed by Sega. It was published by Nintendo for Japan and by Sega for North America and Europe. The game is officially licensed by the International Olympic Committee through exclusive license International Sports Multimedia...

.

Mighty the Armadillo

Mighty is a black and red armadillo who debuted in the arcade game SegaSonic the Hedgehog
SegaSonic the Hedgehog
is an isometric platform game in the Sonic the Hedgehog series, released by Sega for Japanese arcades in June 1993. The game supported three players playing simultaneously, and possessed a unique track ball set up for moving on-screen characters. The only other control input was a single button,...

, and later appeared in the 32X game Knuckles' Chaotix. The character is described as a traveler who loves nature and desires to see every place. Mighty hates to see weaknesses in others and detests violence. He prefers to be gentle but undergoes a drastic change and is capable when needed. Mighty's only appearance in the Chaotix was in Knuckles Chaotix, he is not part of the group in future games such as Sonic Heroes. Mighty alongside Ray the Flying Squirrel, another character who originated in SegaSonic the Hedgehog, are given cameos in Sonic Generations
Sonic Generations
is a 2011 platform video game in the Sonic the Hedgehog series, produced by Sonic Team for PlayStation 3, Xbox 360, Microsoft Windows and Nintendo 3DS...

on posters described as "missing since 1993", despite Mighty final appearance being in 1995.

Vector the Crocodile

is the "head honcho" and brains of the Chaotix Detective Agency. Divided between being "bossy" and "easy-going," his rough speech and outward appearance mask his clear reasoning and ability to resolve cases. For the right price he will take on most jobs, unless they involve doing something immoral. Vector has a strong sense of justice and kindness, despite his argumentativeness. He often does unpaid work due to his charitable nature, leaving the agency constantly short on money. Vector hates having to work for the landlord, but he enjoys singing, and his trademark is a set of headphones. He is physically very strong and his powerful jaws are a formidable weapon.

Vector was originally supposed to be in the sound test of the first Sonic the Hedgehog game, but he, along with the feature itself, was removed prior to release. He was also part of Team Chaotix in Sonic Heroes and is featured in Shadow the Hedgehog.

Xbox Worlds preview of Sonic Heroes called Vector "rubbish too", highlighting his "stupid" visual appearance and name, and concluding that "he looks like a character created as a cheap Sonic copy." IGN
IGN
IGN is an entertainment website that focuses on video games, films, music and other media. IGN's main website comprises several specialty sites or "channels", each occupying a subdomain and covering a specific area of entertainment...

 staff writer Lucas M. Thomas listed Vector as one of the characters he would most like to see in Super Smash Bros. Brawl
Super Smash Bros. Brawl
Super Smash Bros. Brawl, known in Japan as , often abbreviated as SSBB or simply as Brawl, is the third installment in the Super Smash Bros. series of crossover fighting games, developed by an ad hoc development team consisting of Sora, Game Arts and staff from other developers, and published by...

after Sonic was confirmed for the game.

Cream the Rabbit

is a beige
Beige
Beige may be described as an off tan color or an extremely pale brown color.The term originates from beige cloth, a cotton fabric left undyed in its natural color...

 anthropomorphic rabbit
Rabbit
Rabbits are small mammals in the family Leporidae of the order Lagomorpha, found in several parts of the world...

 constantly accompanied by her Chao, Cheese. Their names were based on "cream cheese
Cream cheese
Cream cheese is a soft, mild-tasting, white cheese with a high fat content. Traditionally, it is made from unskimmed milk enriched with additional cream....

." Cream is portrayed as being naive because of being brought up like a princess by her mother, Vanilla. She always politely minds her manners but sometimes acts childishly. Cream can achieve flight for short periods of time by flapping with her two large ears.

Cream's first prominent role was in Sonic Advance 2
Sonic Advance 2
is a side-scrolling platform game in the Sonic the Hedgehog series, developed by Dimps and published by THQ for the Game Boy Advance. The game was released in Japan on December 19, 2002, in North America on March 9, 2003, in Europe on March 18, 2003...

. She returns in Sonic Heroes
Sonic Heroes
is a 2004 platforming single-player/multiplayer video game in the Sonic the Hedgehog series developed by Sonic Team USA. It is the first multiplatform title in the Sonic series, developed for Nintendo GameCube, PlayStation 2 and Xbox and released in Japan in December 2003, in North America in...

as part of Team Rose along with Amy Rose
Amy Rose
, known earlier as Rosy the Rascal, is a video game character who appears in most of the Sonic the Hedgehog series of video games developed by Sega's Sonic Team, debuting in Sonic CD as the third recurring protagonist. Amy Rose was created by Kazuyuki Hoshino and based on one of Kenji Terada's...

 and Big the Cat. She joins with them to search for Cheese's sibling, Chocolate, and helps stop Metal Sonic. She is a playable character within Sonic Battle
Sonic Battle
Sonic Battle is a fighting game developed by Sonic Team and published by Sega and THQ for the Nintendo Game Boy Advance. It is the second fighting game in the Sonic the Hedgehog series, the first game being Sonic the Fighters...

, where she befriends Emerl and teaches him about emotions. She is a playable character in Sonic Advance 3
Sonic Advance 3
is a platform game in the Sonic the Hedgehog series, developed by Dimps, Sega and Sonic Team and published by THQ for the Game Boy Advance and the final installment of the Sonic Advance series. It was first released in North America on June 7, 2004, later in Japan on June 17, 2004 and then in...

, and befriends the rebuilt Gemerl. She becomes friends with Blaze the Cat during Sonic Rush
Sonic Rush
is a 2005 platform handheld video game developed by Sonic Team and Dimps exclusively for the Nintendo DS as part of Sega's Sonic the Hedgehog series. It was released on November 15, 2005 in North America, November 18 in the PAL region, and November 23 in Japan. It is a 2D platform game, but Sonic's...

, teaching her about friendship. She is unlockable in Sonic Riders
Sonic Riders
is a video game spin-off produced by Sega and developed by Sonic Team in cooperation with NowPro, for the Nintendo GameCube, PlayStation 2, Xbox and PC. It is the fourth racing game in the Sonic the Hedgehog series, preceded by Sonic Drift, Sonic Drift 2 and Sonic R.The game was released to start...

, Sonic Riders: Zero Gravity
Sonic Riders: Zero Gravity
Sonic Riders: Zero Gravity released in Japan as , is a hoverboard racing video game published by Sega and developed by Sonic Team in cooperation with NowPro. It is the fifth racing game in the Sonic the Hedgehog series, following Sonic Drift, Sonic Drift 2, Sonic R and its predecessor, Sonic Riders...

, and the Sonic and the Secret Rings
Sonic and the Secret Rings
is a video game developed by Sonic Team and published by Sega as part of the Sonic the Hedgehog series. It was released exclusively for the Wii on February 20, 2007 in North America; March 2 in Europe; and March 15 in Japan. It is the first Sonic game for the console, released in place of an...

Party Mode. She is one of the secret unlockable characters in Sonic Chronicles: The Dark Brotherhood
Sonic Chronicles: The Dark Brotherhood
Sonic Chronicles: The Dark Brotherhood is a Nintendo DS console role-playing game based on the Sonic the Hedgehog franchise, and developed by Canadian RPG developer BioWare as their first handheld video game project...

. Game Informer
Game Informer
Game Informer is an American-based monthly magazine featuring articles, news, strategy, and reviews of popular video games and associated consoles. It was formed in August 1991, when FuncoLand started publishing a six-page magazine, free in all its retail locations...

notes that in Sonic Chronicles: The Dark Brotherhood, "Cream is one of the most useful party members." In addition, she appeared in several cameos throughout Sonic Adventure DX. Cream also appeared in Sonic Colors DS.

She plays the same role for Amy as Tails does for Sonic. The two even share a sisterly bond, in contrast to Sonic ands Tails' brotherly bond.

Cheese the Chao

is a blue neutral chao and the constant companion of Cream, following her wherever she goes. It distinguishes itself from other chao with a red bow-tie, and it often attacks for Cream by ramming into her adversaries. The name "Cheese" originates from cream cheese
Cream cheese
Cream cheese is a soft, mild-tasting, white cheese with a high fat content. Traditionally, it is made from unskimmed milk enriched with additional cream....

.

Vanilla the Rabbit

is a cream-colored rabbit
Rabbit
Rabbits are small mammals in the family Leporidae of the order Lagomorpha, found in several parts of the world...

, introduced with Cream the Rabbit as Cream's doting mother in Sonic Advance 2
Sonic Advance 2
is a side-scrolling platform game in the Sonic the Hedgehog series, developed by Dimps and published by THQ for the Game Boy Advance. The game was released in Japan on December 19, 2002, in North America on March 9, 2003, in Europe on March 18, 2003...

, and first named in Sonic X
Sonic X
is an anime series based on the Sonic the Hedgehog video game series. It was produced in Japan by TMS Entertainment with the partnership of Sega and was created by Sonic Team and Sonic Project. In the United States, 4Kids currently owns and manages copyright and branding of the series.- Series 1 ...

. She also made an appearance in Sonic Rush.

Doctor Eggman (Ivo Robotnik)

, mainly known by his alias, , is the main antagonist
Antagonist
An antagonist is a character, group of characters, or institution, that represents the opposition against which the protagonist must contend...

 of the series. Debuting in the first game of the series, Sonic the Hedgehog, he was shown attempting to collect the Chaos Emeralds and turn all of the animals inhabiting the land into robots. He is a self-proclaimed or certifiable genius with an IQ of 300. His fondness for mechas has made him a renowned authority on robotics. Ultimately, Eggman's goal is to conquer the world and create his ultimate utopia, Eggmanland (alternatively known as the Eggman Empire and Robotnikland).

When Sega had petitioned its research and development
Research and development
The phrase research and development , according to the Organization for Economic Co-operation and Development, refers to "creative work undertaken on a systematic basis in order to increase the stock of knowledge, including knowledge of man, culture and society, and the use of this stock of...

 department to create a character who would replace Alex Kidd
Alex Kidd
is a video game character whose popularity peaked during the late 1980s and who was the protagonist of both a series of video games released by Sega and their fictional universe, as well as in numerous spin-off merchandise such as novelizations and comics...

 as its company mascot, a caricature
Caricature
A caricature is a portrait that exaggerates or distorts the essence of a person or thing to create an easily identifiable visual likeness. In literature, a caricature is a description of a person using exaggeration of some characteristics and oversimplification of others.Caricatures can be...

 of U.S. President Theodore Roosevelt
Theodore Roosevelt
Theodore "Teddy" Roosevelt was the 26th President of the United States . He is noted for his exuberant personality, range of interests and achievements, and his leadership of the Progressive Movement, as well as his "cowboy" persona and robust masculinity...

 was also among the proposed designs. It lost to Sonic the Hedgehog, but eventually became the basis for Dr. Eggman instead.

Eggman Nega

was introduced in Sonic Rush
Sonic Rush
is a 2005 platform handheld video game developed by Sonic Team and Dimps exclusively for the Nintendo DS as part of Sega's Sonic the Hedgehog series. It was released on November 15, 2005 in North America, November 18 in the PAL region, and November 23 in Japan. It is a 2D platform game, but Sonic's...

as the arch-enemy of Blaze the Cat. Although his outward appearance resembles that of Doctor Eggman
Doctor Eggman
, also known by his alias , is a fictional video game character, the main antagonist of the Sonic the Hedgehog series created by Sega. Dr. Eggman is a rotund, mad scientist with an IQ of 300 who plans to conquer the world in order to build his Eggman Empire and is the archenemy of Sonic the Hedgehog...

, his personality is different. He is heartless and calculating, in eerie contrast to his polite speech and manners. His exact relationship with Eggman varies; in the Sonic Rush series, he works alongside him as his other dimensional counterpart, while in the Sonic Rivals series he becomes a jilted decedent and enemy from 200 years in the future and arch-enemy of Silver the Hedgehog.

EggRobo

An EggRobo is an egg-shaped humanoid robot which resembles Doctor Eggman
Doctor Eggman
, also known by his alias , is a fictional video game character, the main antagonist of the Sonic the Hedgehog series created by Sega. Dr. Eggman is a rotund, mad scientist with an IQ of 300 who plans to conquer the world in order to build his Eggman Empire and is the archenemy of Sonic the Hedgehog...

. They first appeared as enemies in the game Sonic & Knuckles
Sonic & Knuckles
Sonic & Knuckles is a 1994 platform video game in the Sonic the Hedgehog series for the Sega Mega Drive/Genesis. It was developed in the United States at Sega Technical Institute by members of Sonic Team, and was published by Sega worldwide on October 18, 1994.As well as working as a standalone...

. In Sonic's storyline they only appeared as standard enemies in the Sky Sanctuary Zone, after being seen launched from the Death Egg. In Knuckles' story, however, as one EggRobo in particular replaces Eggman as the end-of-zone boss in a number of levels.

An EggRobo later appears in Sonic R
Sonic R
Sonic R is a racing game developed by Traveller's Tales and Sonic Team for the Sega Saturn and PC, the latter version being ported to the GameCube and the PlayStation 2 in Sonic Gems Collection. It features characters from the Sonic the Hedgehog series...

as an unlockable character, with abilities similar to Eggman. An EggRobo appears in Sonic Adventure 2
Sonic Adventure 2
Sonic Adventure 2 is a platform game developed by Sonic Team and published by Sega for the Dreamcast video game console. It was released in North America on June 19, 2001 and in Japan on June 23, 2001 to mark the 10th anniversary of the release of the first Sonic the Hedgehog game. It is the sequel...

as a kart racing VMU Download with his own stage, and again in the Nintendo GameCube
Nintendo GameCube
The , officially abbreviated to NGC in Japan and GCN in other regions, is a sixth generation video game console released by Nintendo on September 15, 2001 in Japan, November 18, 2001 in North America, May 3, 2002 in Europe, and May 17, 2002 in Australia...

 port Sonic Adventure 2: Battle as Rouge the Bat
Rouge the Bat
is a character in the Sonic the Hedgehog video game series, who is a determined treasure hunter and part-time government agent who plans to make all the gems and treasures of the world hers. Her main jewel obsessions are the Master Emerald and Chaos Emeralds...

's unlockable kart. EggRobo also makes a small cameo in Sonic Chronicles: The Dark Brotherhood
Sonic Chronicles: The Dark Brotherhood
Sonic Chronicles: The Dark Brotherhood is a Nintendo DS console role-playing game based on the Sonic the Hedgehog franchise, and developed by Canadian RPG developer BioWare as their first handheld video game project...

on the Metropolis map.

E-Series

The "E-Series" is a group of robot
Robot
A robot is a mechanical or virtual intelligent agent that can perform tasks automatically or with guidance, typically by remote control. In practice a robot is usually an electro-mechanical machine that is guided by computer and electronic programming. Robots can be autonomous, semi-autonomous or...

s created by Doctor Eggman
Doctor Eggman
, also known by his alias , is a fictional video game character, the main antagonist of the Sonic the Hedgehog series created by Sega. Dr. Eggman is a rotund, mad scientist with an IQ of 300 who plans to conquer the world in order to build his Eggman Empire and is the archenemy of Sonic the Hedgehog...

, who uses them in his quest to conquer the world.

E-100 Alpha (ZERO)

Zero is the first E-100 series robot who is a large green robot that appeared in Sonic Adventure and is considered the prototype. He was created by Dr. Eggman and ordered to capture the Chaos Emerald from Amy Rose's Flicky friend, Birdie. He first appeared in Sonic Adventure and later returned in Sonic Advance 2. In Sonic Adventure, he is the main antagonist in Amy's story, where he repeatedly tries to capture Birdie. At the end of Amy's story, she destroys him. In Sonic Advance 2, Zero appears in special stages, trying to prevent Sonic from getting the seven Chaos Emeralds.

E-102 Gamma

E-102 Gamma, or technically E-102γ, is one of the E-100 series robots created by Dr. Eggman. In Sonic Adventure, he is given the mission to collect Chaos Emeralds for Chaos after defeating E-101 Beta. After witnessing the fate of Beta, Gamma slowly develops a conscience unique to the other E Series, releasing Amy Rose in remorse. After some convincing from his new friend, Gamma decides to turn against Eggman, to "rescue" the other E-Series robots by defeating them and releasing the small animals used to power them. He eventually battles and defeats an upgraded Beta, which leaves Gamma mortally wounded. They both end up destroyed, which releases two related Flickies that join with the other Flicky under the care of Amy Rose. He reappears as a playable character in Sonic Shuffle after being "revived with the power of dreams".

Later, Gamma was re-built and re-modeled into E-102 Chaos Gamma and appears as a playable character in Sonic Battle
Sonic Battle
Sonic Battle is a fighting game developed by Sonic Team and published by Sega and THQ for the Nintendo Game Boy Advance. It is the second fighting game in the Sonic the Hedgehog series, the first game being Sonic the Fighters...

. He is powered by a shard of a Chaos Emerald, and battles Emerl several times in order to become stronger, but he eventually forms a bond with Emerl.

His gameplay in Sonic Adventure has been criticized for slowing down the pace of an otherwise mostly fast-paced game.

E-123 Omega

, or technically E-123 Ω, is the last of Doctor Eggman
Doctor Eggman
, also known by his alias , is a fictional video game character, the main antagonist of the Sonic the Hedgehog series created by Sega. Dr. Eggman is a rotund, mad scientist with an IQ of 300 who plans to conquer the world in order to build his Eggman Empire and is the archenemy of Sonic the Hedgehog...

's E-100 series robots, specifically designed to contain and control Shadow the Hedgehog
Shadow the Hedgehog
is a character from the Sonic the Hedgehog series. Shadow is an artificially-created life form. His trademark hover shoes propel him at extreme speeds that rival those of Sonic, and with a Chaos Emerald he has the ability to distort time and space using "Chaos Control." Often referred to as being...

. In his first appearance in Sonic Heroes
Sonic Heroes
is a 2004 platforming single-player/multiplayer video game in the Sonic the Hedgehog series developed by Sonic Team USA. It is the first multiplatform title in the Sonic series, developed for Nintendo GameCube, PlayStation 2 and Xbox and released in Japan in December 2003, in North America in...

, Eggman seals Omega within an abandoned base, along with Shadow, until Rouge the Bat
Rouge the Bat
is a character in the Sonic the Hedgehog video game series, who is a determined treasure hunter and part-time government agent who plans to make all the gems and treasures of the world hers. Her main jewel obsessions are the Master Emerald and Chaos Emeralds...

 releases Shadow from his stasis pod, accidentally reactivating Omega. Infuriated at being sealed, Omega decides to team up with the other two in order to obtain revenge on Eggman and prove that he is the most powerful robot of all, dismissing the others as "worthless consumer models".

He returns with the same goal in Shadow the Hedgehog
Shadow the Hedgehog (video game)
Shadow the Hedgehog is a 2005 video game developed by Sega Studio USA, the former United States division of Sega's Sonic Team. Featuring the titular fictional character Shadow the Hedgehog from Sega's Sonic the Hedgehog series, the game was revealed at the March 2005 Walk of Game inauguration of...

, and teams up with Shadow in certain levels to destroy Eggman's robots. During Sonic the Hedgehog, he is playable after Rouge orders him to support Shadow many years in the future. He is also one of the secret unlockable characters in Sonic Chronicles: The Dark Brotherhood
Sonic Chronicles: The Dark Brotherhood
Sonic Chronicles: The Dark Brotherhood is a Nintendo DS console role-playing game based on the Sonic the Hedgehog franchise, and developed by Canadian RPG developer BioWare as their first handheld video game project...

found in Metropolis. Omega has appeared in Mario and Sonic at the Olympic Winter Games as a rival in speed skating and intense short track.

Omega has an array of extremely destructive weapons concealed in his arms, including machine gun
Machine gun
A machine gun is a fully automatic mounted or portable firearm, usually designed to fire rounds in quick succession from an ammunition belt or large-capacity magazine, typically at a rate of several hundred rounds per minute....

s, flamethrower
Flamethrower
A flamethrower is a mechanical device designed to project a long controllable stream of fire.Some flamethrowers project a stream of ignited flammable liquid; some project a long gas flame. Most military flamethrowers use liquids, but commercial flamethrowers tend to use high-pressure propane and...

s, missile launchers
Recoilless rifle
A recoilless rifle or recoilless gun is a lightweight weapon that fires a heavier projectile than would be practical to fire from a recoiling weapon of comparable size. Technically, only devices that use a rifled barrel are recoilless rifles. Smoothbore variants are recoilless guns...

, and beam (energy) cannons and a spinning drill. He can also retract his hands in order to attach a spinning Shadow and Rouge in their place, either using the two as melee
Mêlée
Melee , generally refers to disorganized close combat involving a group of fighters. A melee ensues when groups become locked together in combat with no regard to group tactics or fighting as an organized unit; each participant fights as an individual....

 weapons or firing them. Omega can use jet boosters built into his back to help accelerate and hover. He also has a range of sensors in order to detect and locate enemies.

Fang the Sniper (Nack the Weasel)

, is a purple wolf-weasel
Weasel
Weasels are mammals forming the genus Mustela of the Mustelidae family. They are small, active predators, long and slender with short legs....

 hybrid that first appeared in the Game Gear video game Sonic Triple Trouble
Sonic Triple Trouble
Sonic the Hedgehog: Triple Trouble is a platform video game in the Sonic the Hedgehog series, for the Sega Game Gear. It was developed by Aspect and published by Sega in 1994. It is the sequel to Sonic Chaos, which was the first Sonic & Tails game in Japan...

. His character is a treasure hunter in search of the Chaos Emeralds; however he does not know of their true power and merely wants to sell them for profit. He is a slick, sneaky, and mischievous character who will steal the Emeralds for an easier job. Fang tries hard to outwit others, but is held back by naivety and often fails. He is often seen with his air-bike, the Marvelous Queen.

The character was originally named "Fang the Sniper" in the Japanese equivalent of Sonic Triple Trouble, named Sonic & Tails 2. but was renamed "Nack the Weasel" in the English version, Sonic Triple Trouble.

Fang the Sniper also appeared in Sonic Drift 2, Tails Adventures, and Sonic the Fighters
Sonic the Fighters
Sonic the Fighters is a fighting game in the Sonic the Hedgehog series. The game's original Japanese title, Sonic The Fighters, is used in North American and European releases of Sonic Gems Collection.-Plot:...

. He was set to appear in Sonic X-treme
Sonic X-treme
Sonic X-treme is a canceled platform video game in the Sonic the Hedgehog series. Early version were considered for several systems until ending up as being developed by Sega for the Sega Saturn, with the intended release being around Christmas of 1996. However, after getting stuck in development...

as a boss character, but the game was cancelled.

Knuckles the Echidna

is Sonic's friendly rival. First introduced in the Genesis game Sonic the Hedgehog 3
Sonic the Hedgehog 3
Sonic the Hedgehog 3 is a 1994 platform video game in the Sonic the Hedgehog series for the Sega Mega Drive/Genesis. It was developed in the United States by members of Sonic Team working at Sega Technical Institute, and was published by Sega, debuting worldwide in the first half of 1994...

, Knuckles lives on Angel Island, which hovers in the sky due to the power of the Master Emerald. As the last surviving member of the Echidna people who once inhabited the island, his duty is to guard the Emerald.

During conception of Sonic the Hedgehog 3
Sonic the Hedgehog 3
Sonic the Hedgehog 3 is a 1994 platform video game in the Sonic the Hedgehog series for the Sega Mega Drive/Genesis. It was developed in the United States by members of Sonic Team working at Sega Technical Institute, and was published by Sega, debuting worldwide in the first half of 1994...

, the development team wanted to create a new rival for Sonic. The final design of Knuckles was the result of dozens of possible designs inspired by numerous different animals. A character with many different abilities and skills, he is physically one of the strongest characters of the Sonic series. His strength and mastery of martial arts, specialising in punches, enables him to perform feats such as shattering boulders with his fists, while he can trap air under his dreadlocks in order to glide for short distances. He can be played in Sonic and the Black Knight as Sir Gawain from the Knights of the Round-table.

Maria Robotnik

is a character that appears in flashbacks
Flashback (narrative)
Flashback is an interjected scene that takes the narrative back in time from the current point the story has reached. Flashbacks are often used to recount events that happened before the story’s primary sequence of events or to fill in crucial backstory...

 in Sonic Adventure 2
Sonic Adventure 2
Sonic Adventure 2 is a platform game developed by Sonic Team and published by Sega for the Dreamcast video game console. It was released in North America on June 19, 2001 and in Japan on June 23, 2001 to mark the 10th anniversary of the release of the first Sonic the Hedgehog game. It is the sequel...

and Shadow the Hedgehog
Shadow the Hedgehog (video game)
Shadow the Hedgehog is a 2005 video game developed by Sega Studio USA, the former United States division of Sega's Sonic Team. Featuring the titular fictional character Shadow the Hedgehog from Sega's Sonic the Hedgehog series, the game was revealed at the March 2005 Walk of Game inauguration of...

. She is the granddaughter of Professor Gerald Robotnik, and is the cousin of Dr. Ivo "Eggman" Robotnik
Doctor Eggman
, also known by his alias , is a fictional video game character, the main antagonist of the Sonic the Hedgehog series created by Sega. Dr. Eggman is a rotund, mad scientist with an IQ of 300 who plans to conquer the world in order to build his Eggman Empire and is the archenemy of Sonic the Hedgehog...

. Maria suffers from the illness known as "NIDS" (Neuro-Immuno Deficiency Syndrome), which was incurable at the time. Gerald takes on Project Shadow
Shadow the Hedgehog
is a character from the Sonic the Hedgehog series. Shadow is an artificially-created life form. His trademark hover shoes propel him at extreme speeds that rival those of Sonic, and with a Chaos Emerald he has the ability to distort time and space using "Chaos Control." Often referred to as being...

 in order to save her. Soon after Shadow is created, the two bond deeply, though it is short-lived as a government organization named "G.U.N." soon raids the ARK, fatally shooting Maria. Before she dies, she encases Shadow in an escape pod and asks him to bring hope to humanity and give humans a chance to be happy. This experience with Maria scars Shadow for life, but ultimately his determination to keep his promise to her leads him to team up with Sonic and save the Earth multiple times.

Metal Sonic

is an evil robotic version of Sonic created by Dr. Eggman. He first appears in Sonic the Hedgehog CD, with orders to go back in time and change the past so that Dr.Eggman can rule the future. Sonic must race him in Stardust Speedway to free Amy Rose. He returns in Knuckles' Chaotix
Knuckles' Chaotix
Knuckles' Chaotix, is a platform game spin-off to the Sonic the Hedgehog series, developed by Sonic Team, and published by Sega for the Sega 32X. The game was released in North America in March 1995, in Japan on April 21, 1995 and finally in Europe in May 1995. The game's only re-release since then...

, where he attempts to obtain the Chaos Rings, but he is stopped by the Chaotix. He appears as a boss in Sonic Triple Trouble and Sonic the Fighters. He is playable in Sonic Drift 2 and Sonic R, and a bonus character in Sonic Adventure DX: Director's Cut and Sonic Adventure 2: Battle. He returns as an enemy and unlockable character in Sonic Rivals
Sonic Rivals
Sonic Rivals is a game in the Sonic the Hedgehog series in late 2006. It is the first Sonic game developed by a Canadian company, Backbone Entertainment exclusively for the PlayStation Portable...

, and appears as a playable character in Sonic Rivals 2
Sonic Rivals 2
Sonic Rivals 2 is the sequel to Sonic Rivals. The game was developed by Backbone Entertainment and supervised by Sega Studio USA, exclusively for the PlayStation Portable handheld videogame console. Sonic Rivals 2 was released on November 13, 2007 in North America...

, acting under Eggman's orders. The 'good' ending of Sonic the Hedgehog 4
Sonic the Hedgehog 4
is an episodic platform video game and a sequel in the Sonic the Hedgehog series. The game was developed by Dimps alongside members of Sonic Team and is intended to be inspired by and similar to the original Sonic the Hedgehog titles on the Sega Mega Drive/Genesis.Episode I was released in October...

: Episode 1 shows a silhouette of Metal Sonic, followed by a "To Be Continued" screen.

He is a playable character in Mario & Sonic at the Olympic Winter Games
Mario & Sonic at the Olympic Winter Games
is a 2009 sports video game developed by Sega. It was published by Nintendo for Japan and by Sega for North America and Europe. The game is officially licensed by the International Olympic Committee through exclusive license International Sports Multimedia...

.
In the Adventure Tour (exclusively on Nintendo DS
Nintendo DS
The is a portable game console produced by Nintendo, first released on November 21, 2004. A distinctive feature of the system is the presence of two separate LCD screens, the lower of which is a touchscreen, encompassed within a clamshell design, similar to the Game Boy Advance SP...

), Metal Sonic is one of Bowser and Eggman's henchmen and is paired with Bowser's son, Bowser Jr. Downloadable content for Sonic & Sega All-Stars Racing
Sonic & Sega All-Stars Racing
Sonic & Sega All-Stars Racing is a racing game in the Sega Superstars series produced for Wii, Xbox 360, PlayStation 3, Nintendo DS and Microsoft Windows, featuring characters from many Sega franchises. It is being published by Sega and developed by Sumo Digital...

features Metal Sonic as a playable character.

In Sonic Heroes, he transforms himself into "Neo Metal Sonic" and acts as the game's main antagonist. Here, he possesses the ability to transform into other beings in order to manipulate the main characters. He betrays Eggman, and uses the collected data to transform further into a large mechanical dragon
Dragon
A dragon is a legendary creature, typically with serpentine or reptilian traits, that feature in the myths of many cultures. There are two distinct cultural traditions of dragons: the European dragon, derived from European folk traditions and ultimately related to Greek and Middle Eastern...

 called "Metal Overlord". He is eventually defeated by Sonic, returns to his initial form, and reprogrammed by Dr. Eggman.

He possesses a laser cannon
Raygun
Rayguns are a type of fictional directed-energy weapon. They have various alternate names: ray gun, death ray, beam gun, blaster, laser gun, phaser, etc. They are a well-known feature of science fiction; for such stories they typically have the general function of guns...

 built into his abdomen
Abdomen
In vertebrates such as mammals the abdomen constitutes the part of the body between the thorax and pelvis. The region enclosed by the abdomen is termed the abdominal cavity...

 and a force field device
Force field
A force field, sometimes known as an energy shield, force shield, or deflector shield is a concept of a field tightly bounded and of significant magnitude so that objects affected by the particular force relating to the field are unable to pass through the central axis of the field and reach the...

. He usually only communicates with a series of electronic noises, though he is able to speak in his "Neo" form. In Knuckles Chaotix, the power of the Chaos Rings allowed him to assume an enormous red form with detached limbs, which could be projected to attack the player. In Sonic Rivals 2 Eggman Nega creates a black and yellow copy of Metal Sonic called Metal Sonic 3.0.

GameDaily
GameDaily
GameDaily was a video game journalism website based in the United States. Launched in 1995 by entrepreneur Mark Friedler under the name Gigex and focused on free game demo downloads, The site changed its business model from a flat fee per download CDN distributed service network to an...

 placed Metal Sonic 13th on their "Top 25 Video Game Robots" list, describing him as Dr. Eggman's "greatest creation" and praising the strength of his abilities.

Miles "Tails" Prower

, better known by his nickname
Nickname
A nickname is "a usually familiar or humorous but sometimes pointed or cruel name given to a person or place, as a supposedly appropriate replacement for or addition to the proper name.", or a name similar in origin and pronunciation from the original name....

  is a two-tailed fox
Fox
Fox is a common name for many species of omnivorous mammals belonging to the Canidae family. Foxes are small to medium-sized canids , characterized by possessing a long narrow snout, and a bushy tail .Members of about 37 species are referred to as foxes, of which only 12 species actually belong to...

 who is Sonic's best friend and sidekick. His name is a pun
Pun
The pun, also called paronomasia, is a form of word play which suggests two or more meanings, by exploiting multiple meanings of words, or of similar-sounding words, for an intended humorous or rhetorical effect. These ambiguities can arise from the intentional use and abuse of homophonic,...

 on "miles per hour
Miles per hour
Miles per hour is an imperial unit of speed expressing the number of statute miles covered in one hour. It is currently the standard unit used for speed limits, and to express speeds generally, on roads in the United Kingdom and the United States. It is also often used to express the speed of...

". He is able to use his two tails to propel himself into the air like a helicopter
Helicopter
A helicopter is a type of rotorcraft in which lift and thrust are supplied by one or more engine-driven rotors. This allows the helicopter to take off and land vertically, to hover, and to fly forwards, backwards, and laterally...

 for a limited time. Yasushi Yamaguchi
Yasushi Yamaguchi
Yasushi Yamaguchi is a game designer and artist. He designed the character Miles "Tails" Prower in an internal contest hosted by Sonic Team. He originally named the character Miles Prower, with the "Tails" name tacked on as the name...

, originally the main artist and zone designer for Sega
Sega
, usually styled as SEGA, is a multinational video game software developer and an arcade software and hardware development company headquartered in Ōta, Tokyo, Japan, with various offices around the world...

's Sonic Team, designed Tails for an internal competition for a sidekick
Sidekick
A sidekick is a close companion who is generally regarded as subordinate to the one he accompanies. Some well-known fictional sidekicks are Don Quixote's Sancho Panza, Sherlock Holmes' Doctor Watson, The Lone Ranger's Tonto, The Green Hornet's Kato and Batman's Robin.-Origins:The origin of the...

 to Sonic. His first appearance was in Sonic 2
Sonic the Hedgehog 2 (8-bit)
Sonic the Hedgehog 2 is a 8-bit 1992 side-scrolling platform handheld console video game developed by Aspect Co., Ltd. and released by Sega for their Master System and Game Gear formats. The Master System version was released in Europe on October 16, 1992...

 for the Game Gear, where he was kidnapped by Robotnik
Doctor Eggman
, also known by his alias , is a fictional video game character, the main antagonist of the Sonic the Hedgehog series created by Sega. Dr. Eggman is a rotund, mad scientist with an IQ of 300 who plans to conquer the world in order to build his Eggman Empire and is the archenemy of Sonic the Hedgehog...

 for a "hefty" ransom, and was first made playable in the Genesis version of Sonic the Hedgehog 2
Sonic the Hedgehog 2 (16-bit)
Sonic the Hedgehog 2 is a 16-bit 1992 platform video game that was developed by Sonic Team members working at the Sega Technical Institute, and published by Sega for the Sega Genesis console. It was released in Japan on November 21, 1992 and in North America and Europe on November 24, 1992...

. Tails has appeared in almost every Sonic game since his first appearance. Tails has a very high IQ and has great mechanical ability. For instance, in Sonic Colors, he could read binary code
Binary code
A binary code is a way of representing text or computer processor instructions by the use of the binary number system's two-binary digits 0 and 1. This is accomplished by assigning a bit string to each particular symbol or instruction...

 to decifer the information from a translation device he made to understand foreign languages.

Tails has also starred in games without Sonic. His first solo game was Tails' Skypatrol
Tails' Skypatrol
is a platform/adventure video game in the Sonic the Hedgehog series, developed by JSH and published by Sega for Sega Game Gear. It was originally released on April 28, 1995 as an exclusive game to the Japanese market...

, a puzzle-like game for the Game Gear released exclusively in Japan. This was followed by Tails Adventure
Tails Adventure
, also known as Tails Adventures, is an action-adventure video game with role-playing elements that was developed by Aspect and distributed by Sega in 1995 for the videogame console Sega Game Gear....

s
later the same year, a platformer with role-playing game
Role-playing game
A role-playing game is a game in which players assume the roles of characters in a fictional setting. Players take responsibility for acting out these roles within a narrative, either through literal acting, or through a process of structured decision-making or character development...

 elements. Frequently portrayed as a sweet-natured and humble fox, Tails used to be picked on because of his twin tails, before he met Sonic.

Omochao

is a robot
Robot
A robot is a mechanical or virtual intelligent agent that can perform tasks automatically or with guidance, typically by remote control. In practice a robot is usually an electro-mechanical machine that is guided by computer and electronic programming. Robots can be autonomous, semi-autonomous or...

ic Chao
Chao (Sonic the Hedgehog)
A is a fictional life form in the Sonic the Hedgehog video game series published by Sega. Chao made their first appearance in the 1998 Dreamcast game Sonic Adventure as digital pets. They have since appeared in several video games in the Sonic the Hedgehog series as digital pets, minor characters,...

 with a propeller
Propeller
A propeller is a type of fan that transmits power by converting rotational motion into thrust. A pressure difference is produced between the forward and rear surfaces of the airfoil-shaped blade, and a fluid is accelerated behind the blade. Propeller dynamics can be modeled by both Bernoulli's...

 its head. Omochao was introduced in Sonic Adventure
Sonic Adventure
is a 1999 platform video game developed by Sonic Team and released on December 23, 1998, in Japan by Sega for the Dreamcast. One of its development titles was Sonic RPG...

as part of the Chao Races, and it later appeared in Sonic Adventure 2
Sonic Adventure 2
Sonic Adventure 2 is a platform game developed by Sonic Team and published by Sega for the Dreamcast video game console. It was released in North America on June 19, 2001 and in Japan on June 23, 2001 to mark the 10th anniversary of the release of the first Sonic the Hedgehog game. It is the sequel...

, where it serves as an in-game manual to teach players how to play the game. Since then, it has appeared in a multitude of Sonic games, such as a guide in the training level and instructions for what everything does in Sonic Heroes
Sonic Heroes
is a 2004 platforming single-player/multiplayer video game in the Sonic the Hedgehog series developed by Sonic Team USA. It is the first multiplatform title in the Sonic series, developed for Nintendo GameCube, PlayStation 2 and Xbox and released in Japan in December 2003, in North America in...

, or as a type of gun in Shadow the Hedgehog
Shadow the Hedgehog (video game)
Shadow the Hedgehog is a 2005 video game developed by Sega Studio USA, the former United States division of Sega's Sonic Team. Featuring the titular fictional character Shadow the Hedgehog from Sega's Sonic the Hedgehog series, the game was revealed at the March 2005 Walk of Game inauguration of...

, a referee in Sonic Riders
Sonic Riders
is a video game spin-off produced by Sega and developed by Sonic Team in cooperation with NowPro, for the Nintendo GameCube, PlayStation 2, Xbox and PC. It is the fourth racing game in the Sonic the Hedgehog series, preceded by Sonic Drift, Sonic Drift 2 and Sonic R.The game was released to start...

, a collectable card, and referee in Sonic Rivals 2
Sonic Rivals 2
Sonic Rivals 2 is the sequel to Sonic Rivals. The game was developed by Backbone Entertainment and supervised by Sega Studio USA, exclusively for the PlayStation Portable handheld videogame console. Sonic Rivals 2 was released on November 13, 2007 in North America...

, a referee in Mario and Sonic at the Olympic Games, giving hints in Sonic Advance 3
Sonic Advance 3
is a platform game in the Sonic the Hedgehog series, developed by Dimps, Sega and Sonic Team and published by THQ for the Game Boy Advance and the final installment of the Sonic Advance series. It was first released in North America on June 7, 2004, later in Japan on June 17, 2004 and then in...

, and as supporting character in multiplayer of Sonic and the Secret Rings
Sonic and the Secret Rings
is a video game developed by Sonic Team and published by Sega as part of the Sonic the Hedgehog series. It was released exclusively for the Wii on February 20, 2007 in North America; March 2 in Europe; and March 15 in Japan. It is the first Sonic game for the console, released in place of an...

. He has also been seen the host of the World Grand Prix in Sonic Free Riders
Sonic Free Riders
is a motion controlled racing video game in the Sonic the Hedgehog series. It is the third installment in the Sonic Riders series, following Sonic Riders: Zero Gravity. The game utilizes Microsoft's Kinect peripheral...

. "Omochao" is a pun on and "chao".

Orbot

, codename SA-55, is a robotic assistant of Dr. Eggman who first appears in Sonic Unleashed
Sonic Unleashed
Sonic Unleashed , is a video game and the 11th installment in the Sonic the Hedgehog series developed by Sonic Team and published by Sega for multiple platforms...

. Whilst he generally assists in monitoring Eggman's data, he often makes sarcastic remarks pointing out general flaws in Eggman's plans, prompting a quick smack in return. He appears again in Sonic Colors
Sonic Colors
is a 2010 platforming game in the Sonic the Hedgehog series. It was first announced on May 26, 2010, in a press release by Sega for Italy, and it included a teaser trailer...

, alongside a similar robot named ; the latter, however, is much less intelligent than the former, and suffers from a glitch in his voice chip, causing him to constantly speak with different accents.

Professor Gerald Robotnik

Professor is the grandfather of Maria Robotnik and Dr. Ivo "Eggman" Robotnik
Doctor Eggman
, also known by his alias , is a fictional video game character, the main antagonist of the Sonic the Hedgehog series created by Sega. Dr. Eggman is a rotund, mad scientist with an IQ of 300 who plans to conquer the world in order to build his Eggman Empire and is the archenemy of Sonic the Hedgehog...

. Fifty years before the main series, he attempts to create the "Ultimate Life Form" under the funding of the United Federation, hoping that it can help cure Maria's illness. He appears in Sonic Adventure 2 and Shadow the Hedgehog.

Rouge the Bat

is a white, female bat who made her first appearance in Sonic Adventure 2
Sonic Adventure 2
Sonic Adventure 2 is a platform game developed by Sonic Team and published by Sega for the Dreamcast video game console. It was released in North America on June 19, 2001 and in Japan on June 23, 2001 to mark the 10th anniversary of the release of the first Sonic the Hedgehog game. It is the sequel...

in 2001, and who has been featured in several games since. She is depicted as a professional treasure hunter devoted to the pursuit of jewels, calling herself the "World's Greatest Thief". She has a tendency to ignore abstract morality or manners for potential profit; her "feminine charm" makes her appear careless, but she is actually scheming and manipulative. Additionally, she serves as a part time spy for the government's G.U.N. Federation. She fights using kicks, especially her signature "Screw Kick," and she can fly using her wings. She appears as a rival on the Figure Skating event in Mario And Sonic At The Olympic Winter Games.

Shadow the Hedgehog

is an artificially created life form in the design of a male
Male
Male refers to the biological sex of an organism, or part of an organism, which produces small mobile gametes, called spermatozoa. Each spermatozoon can fuse with a larger female gamete or ovum, in the process of fertilization...

, anthropomorphic
Anthropomorphism
Anthropomorphism is any attribution of human characteristics to animals, non-living things, phenomena, material states, objects or abstract concepts, such as organizations, governments, spirits or deities. The term was coined in the mid 1700s...

 hedgehog
Hedgehog
A hedgehog is any of the spiny mammals of the subfamily Erinaceinae and the order Erinaceomorpha. There are 17 species of hedgehog in five genera, found through parts of Europe, Asia, Africa, and New Zealand . There are no hedgehogs native to Australia, and no living species native to the Americas...

, similar to Sonic. His trademark air shoes propel him at extreme speeds that rival those of Sonic.

According to official profiles, Shadow was created 50 years ago by Professor Gerald Robotnik as the "Ultimate Life Form", which is ageless and immortal. Sharp witted and seemingly always on the edge, Shadow is described as the dark counterpart to Sonic the Hedgehog
Sonic the Hedgehog (character)
, trademarked Sonic The Hedgehog, is a video game character and the main protagonist of the Sonic video game series released by Sega, as well as in numerous spin-off comics, cartoons, and a feature film. The first game was released on June 23, 1991, to provide Sega with a mascot to rival Nintendo's...

. Once he has set himself to a goal, he will do whatever it takes to accomplish it, regardless of any danger. After the trauma of the death of his only friend, Maria Robotnik, Shadow strives to fulfill his purpose and keep the promise he made to her, despite his general loathing of mankind. Although his relationship with Sonic seems to have developed from antagonistic to friendly rivalry, animosity from not understanding their different mindsets still occurs.

However, Shadow shares a lot in common with Sonic. He can perform spin attacks common to Sonic, which are a variation on the tendency for hedgehogs to roll into tight balls for protection. Additionally, with the power of a Chaos Emerald, Shadow can warp time and space with Chaos Control. Shadow is also able to use a variety of other Chaos powers, such as "Chaos Spear" and "Chaos Blast".

By harnessing the power of the seven Chaos Emeralds, Shadow is able to use super transformation to transform into Super Shadow. He is bestowed with the new abilities of flight and near invulnerability, like Super Sonic, and his normal abilities of speed and his Chaos powers are greatly enhanced.

Silver the Hedgehog

is a silver-furred anthropomorphic hedgehog from 200 years in the future of the main timeline. He first appeared in the 2006 Sonic the Hedgehog. His individual episode revolves around him traveling back in time with Blaze the Cat to find and kill Sonic the Hedgehog, known to them as the "Iblis Trigger", who they believe is the cause of their world being destroyed in the future.

Since this first appearance, he has been relegated to the Sonic series spinoffs, multiplayer games, and small cameo roles. He is one of the main characters in Sonic Rivals
Sonic Rivals
Sonic Rivals is a game in the Sonic the Hedgehog series in late 2006. It is the first Sonic game developed by a Canadian company, Backbone Entertainment exclusively for the PlayStation Portable...

and Sonic Rivals 2
Sonic Rivals 2
Sonic Rivals 2 is the sequel to Sonic Rivals. The game was developed by Backbone Entertainment and supervised by Sega Studio USA, exclusively for the PlayStation Portable handheld videogame console. Sonic Rivals 2 was released on November 13, 2007 in North America...

. He is playable in multiplayer modes in Sonic and the Secret Rings
Sonic and the Secret Rings
is a video game developed by Sonic Team and published by Sega as part of the Sonic the Hedgehog series. It was released exclusively for the Wii on February 20, 2007 in North America; March 2 in Europe; and March 15 in Japan. It is the first Sonic game for the console, released in place of an...

, Sonic Riders: Zero Gravity
Sonic Riders: Zero Gravity
Sonic Riders: Zero Gravity released in Japan as , is a hoverboard racing video game published by Sega and developed by Sonic Team in cooperation with NowPro. It is the fifth racing game in the Sonic the Hedgehog series, following Sonic Drift, Sonic Drift 2, Sonic R and its predecessor, Sonic Riders...

, Sonic Free Riders
Sonic Free Riders
is a motion controlled racing video game in the Sonic the Hedgehog series. It is the third installment in the Sonic Riders series, following Sonic Riders: Zero Gravity. The game utilizes Microsoft's Kinect peripheral...

, and Sonic and the Black Knight
Sonic and the Black Knight
is a title within the Sonic the Hedgehog series, released exclusively on Wii as the second entry in the Sonic Storybook series, following on from Sonic and the Secret Rings. The game is directed by Tetsu Katano, who was the lead programmer of the Sonic Adventure titles and Sonic Heroes...

, though he was known as Galahad
Galahad
Sir Galahad |Round Table]] and one of the three achievers of the Holy Grail in Arthurian legend. He is the illegitimate son of Lancelot and Elaine of Corbenic, and is renowned for his gallantry and purity. Emerging quite late in the medieval Arthurian tradition, he is perhaps the knightly...

 in the latter. He also makes an appearance in Mario & Sonic at the Olympic Winter Games
Mario & Sonic at the Olympic Winter Games
is a 2009 sports video game developed by Sega. It was published by Nintendo for Japan and by Sega for North America and Europe. The game is officially licensed by the International Olympic Committee through exclusive license International Sports Multimedia...

. Cameos include briefly being seen in Super Smash Bros. Brawl
Super Smash Bros. Brawl
Super Smash Bros. Brawl, known in Japan as , often abbreviated as SSBB or simply as Brawl, is the third installment in the Super Smash Bros. series of crossover fighting games, developed by an ad hoc development team consisting of Sora, Game Arts and staff from other developers, and published by...

, in the background of Sonic's Green Hill Zone stage, as a trophy and sticker, watching a tennis match in one of the Sonic stages in Sega Superstars Tennis
Sega Superstars Tennis
Sega Superstars Tennis is a tennis video game developed by Sumo Digital and published by Sega. The game was released on March 17, 2008 in Europe, on March 18, 2008 in North America, and on March 27, 2008 in Australia. The game includes 16 playable characters and 10 courts from Sega franchises...

, and in the DS version of Sonic Colors
Sonic Colors
is a 2010 platforming game in the Sonic the Hedgehog series. It was first announced on May 26, 2010, in a press release by Sega for Italy, and it included a teaser trailer...

. Silver will be a playable character in the upcoming Mario & Sonic at the London 2012 Olympic Games
Mario & Sonic at the London 2012 Olympic Games
is a 2011 sports video game developed by Sega Japan. It was published by Nintendo for Japan and by Sega for North America, Europe, and all other regions. The game is officially licensed by the International Olympic Committee through exclusive licensee International Sports Multimedia...

and a boss in Sonic Generations.

Silver's primary ability is psychokinesis
Psychokinesis
The term psychokinesis , also referred to as telekinesis with respect to strictly describing movement of matter, sometimes abbreviated PK and TK respectively, is a term...

 which is also known as telekinesis. He is able to levitate objects (including himself) and use them as projectiles, and fly. He can also fire shock waves that temporarily paralyze his enemies. He is able to use many standard abilities similar to those of Sonic and Shadow and he can utilize Chaos Control in order to warp through time and space. He is able to transform into "Super Silver" by using the power of the Chaos Emeralds, and he becomes able to use a special "Shield of Light" to draw in and throw any object within a large circular field.

Silver was conceptualized from utilizing a new realistic physics engine
Havok (software)
Havok Physics is a physics engine developed by Irish company Havok. It is designed primarily for video games, and allows for real-time collision and dynamics of rigid bodies in three dimensions. It provides multiple types of dynamic constraints between rigid bodies , and has a highly optimized...

 in Sonic the Hedgehog, and, while given similar game play elements to Sonic and Shadow, provides vastly different game play with his unique abilities. The design team developed over fifty different concepts for the character. They felt that a mink would not blend in with the rest of the characters, so they decided to make Silver a hedgehog
Hedgehog
A hedgehog is any of the spiny mammals of the subfamily Erinaceinae and the order Erinaceomorpha. There are 17 species of hedgehog in five genera, found through parts of Europe, Asia, Africa, and New Zealand . There are no hedgehogs native to Australia, and no living species native to the Americas...

 instead. Orange was originally decided for his fur, but they soon decided on white-gray. While developing the character models and textures, they focused on using the hardware to develop the textures rather than just use white-gray, which lead to Silver's color and name.

Sonic the Hedgehog

, trademarked Sonic The Hedgehog, is the protagonist
Protagonist
A protagonist is the main character of a literary, theatrical, cinematic, or musical narrative, around whom the events of the narrative's plot revolve and with whom the audience is intended to most identify...

 of the series. Developed as a replacement for their existing Alex Kidd
Alex Kidd
is a video game character whose popularity peaked during the late 1980s and who was the protagonist of both a series of video games released by Sega and their fictional universe, as well as in numerous spin-off merchandise such as novelizations and comics...

 mascot, as well as Sega's response to Mario
Mario
is a fictional character in his video game series, created by Japanese video game designer Shigeru Miyamoto. Serving as Nintendo's mascot and the main protagonist of the series, Mario has appeared in over 200 video games since his creation...

, his first appearance was in the first game of the Sonic series, Sonic the Hedgehog, for the Mega Drive, also known as the Genesis in North America. Known as the world's fastest hedgehog,

Sonic's greatest ability is his running speed, which at its normal maximum is beyond the speed of sound. Using the power of the 7 Chaos Emeralds, he can become Super Sonic, at which time he is known to have approached near-light speeds.

Tikal the Echidna

is the daughter of Chief Pachamac from the same tribe that Knuckles the Echidna
Knuckles the Echidna
Knuckles the Echidna is a video game character of the Sonic the Hedgehog game series, including spin-off games and comics. His first appearance was in Sonic the Hedgehog 3, released in 1994 to introduce a new rival for Sonic. He was presented as an antagonist who was tricked by Dr. Eggman into...

 descends, the Knuckles Clan. She first appears in Sonic Adventure
Sonic Adventure
is a 1999 platform video game developed by Sonic Team and released on December 23, 1998, in Japan by Sega for the Dreamcast. One of its development titles was Sonic RPG...

and returns in Sonic Adventure 2
Sonic Adventure 2
Sonic Adventure 2 is a platform game developed by Sonic Team and published by Sega for the Dreamcast video game console. It was released in North America on June 19, 2001 and in Japan on June 23, 2001 to mark the 10th anniversary of the release of the first Sonic the Hedgehog game. It is the sequel...

. Thousands of years before the main events of the series, she opposes her father's power-hungry ways of invading other countries. She eventually comes into contact with Chaos and a group of Chao at the shrine of the Master Emerald, who accept her due to her friendliness to them. She tries to change her father's mind about raiding the shrine for the emeralds, but he refuses to listen. These raids of the shrine, anger Chaos, causing Tikal to seal herself and Chaos into the emerald to stop his destructive ways. Several thousand years later, Doctor Eggman
Doctor Eggman
, also known by his alias , is a fictional video game character, the main antagonist of the Sonic the Hedgehog series created by Sega. Dr. Eggman is a rotund, mad scientist with an IQ of 300 who plans to conquer the world in order to build his Eggman Empire and is the archenemy of Sonic the Hedgehog...

shatters the Master Emerald and awakens the angry Chaos and Tikal's spirit. Tikal helps the main characters defeat Chaos, and then leaves with Chaos. She has only had small cameos in Sonic games since the two Adventure games.
The source of this article is wikipedia, the free encyclopedia.  The text of this article is licensed under the GFDL.
 
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