Dr. Samuel James Loomis is a fictional character

Fictional character

A character is the representation of a person in a narrative work of art . Derived from the ancient Greek word kharaktêr , the earliest use in English, in this sense, dates from the Restoration, although it became widely used after its appearance in Tom Jones in 1749. From this, the sense of...

 in the Halloween film series

Halloween (franchise)

Halloween is an American horror franchise that consists of ten slasher films, novels, and comic books. The franchise focuses on the fictional character of Michael Myers who was committed to a sanitarium as a child for the murder of his older sister, Judith Myers...

. He is a protagonist in Halloween

Halloween (1978 film)

Halloween is a 1978 American independent horror film directed, produced, and scored by John Carpenter, co-written with Debra Hill, and starring Donald Pleasence and Jamie Lee Curtis in her film debut and the first installment in the Halloween franchise. The film is set in the fictional midwestern...

, Halloween II

Halloween II

Halloween II is a 1981 slasher film directed by Rick Rosenthal, and written by John Carpenter and Debra Hill. It is the second installment in the Halloween series and is a direct sequel to the Halloween set on the same night of October 31, 1978 as the seemingly unkillable Michael Myers continues to...

, Halloween 4: The Return of Michael Myers

Halloween 4: The Return of Michael Myers

Halloween 4: The Return of Michael Myers is a 1988 slasher film and the fourth installment of the Halloween film series, directed by Dwight H. Little and written by Alan B. McElroy. The central plot focuses on Michael Myers returning home to kill his niece Jamie Lloyd , the daughter of Laurie...

, Halloween 5: The Revenge of Michael Myers

Halloween 5: The Revenge of Michael Myers

Halloween 5: The Revenge of Michael Myers is a 1989 American slasher film and the fifth installment in the Halloween film series. It was directed by Dominique Othenin-Girard and starred Donald Pleasence, who again portrayed Dr. Sam Loomis and Danielle Harris, who returned to play Jamie Lloyd...

and Halloween: The Curse of Michael Myers

Halloween: The Curse of Michael Myers

Halloween: The Curse of Michael Myers is a 1995 American horror film and the sixth installment in the Halloween series. Directed by Joe Chappelle from a screenplay by Daniel Farrands, the plot involves the "Curse of Thorn", a mystical symbol first shown in Halloween 5: The Revenge of Michael Myers...

. Donald Pleasence

Donald Pleasence

Sir Donald Henry Pleasence, OBE, was a British actor who gained more than 200 screen credits during a career which spanned over four decades...

 plays the character of Dr. Loomis in all five films. Throughout the Halloween franchise, he is depicted as the archenemy

Archenemy

An archenemy, archfoe, archvillain or archnemesis is the principal enemy of a character in a work of fiction, often described as the hero's worst enemy .- Etymology :The word archenemy or arch-enemy originated...

 to the series' central character and primary antagonist

Antagonist

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

, Michael Myers

Michael Myers (Halloween)

Michael Myers is a fictional character from the Halloween series of slasher films. He first appears in John Carpenter's Halloween as a young boy who murders his older sister, then fifteen years later returns home to murder more teenagers...

.

Malcolm McDowell

Malcolm McDowell

Malcolm McDowell is an English actor with a career spanning over forty years.McDowell is principally known for his roles in the controversial films If...., O Lucky Man!, A Clockwork Orange and Caligula...

 portrays Dr. Loomis in the 2007 reimagining, Halloween

Halloween (2007 film)

Halloween is a 2007 American slasher film written, directed, and produced by Rob Zombie. The film is a remake/reimagining of the 1978 horror film of the same name, the first in the rebooted Halloween film series and the ninth Halloween film in total. The film stars Tyler Mane as the adult Michael...

and in its sequel

Sequel

A sequel is a narrative, documental, or other work of literature, film, theatre, or music that continues the story of or expands upon issues presented in some previous work...

 Halloween II

Halloween II (2009 film)

Halloween II is a 2009 American horror film written, directed, and produced by Rob Zombie. The film is a sequel to Zombie's 2007 remake of Halloween , and the second film in the rebooted Halloween film series and the tenth Halloween film in total...

.

The name "Sam Loomis" is an allusion to John Gavin

John Gavin

John Gavin is an American film actor and a former United States Ambassador to Mexico. Gavin is half Mexican and fluent in Spanish....

's character in Alfred Hitchcock

Alfred Hitchcock

Sir Alfred Joseph Hitchcock, KBE was a British film director and producer. He pioneered many techniques in the suspense and psychological thriller genres. After a successful career in British cinema in both silent films and early talkies, Hitchcock moved to Hollywood...

's Psycho

Psycho (1960 film)

Psycho is a 1960 American suspense/psychological horror film directed by Alfred Hitchcock and starring Janet Leigh and Anthony Perkins. The film is based on the screenplay by Joseph Stefano, who adapted it from the 1959 novel of the same name by Robert Bloch...

.
In November 1963, Loomis, a psychiatrist at the Smith's Grove sanitarium, receives the six-year-old Michael Audrey Myers

Michael Myers (Halloween)

Michael Myers is a fictional character from the Halloween series of slasher films. He first appears in John Carpenter's Halloween as a young boy who murders his older sister, then fifteen years later returns home to murder more teenagers...

 under his care.