Heroes

• Tommy Zoom - A child superhero, complete with cape and large Z imprinted on his chest.
• Daniel - Tommy's dog and sidekick, who often discovers the problem.

Villains

• Polluto - A light blue imp or a creature with rotten teeth, who aims to ruin the world by removing all greenery and polluting watercourses with chemicals. He wears a smart purple suit. He is Voiced by Keith Wickham
  Keith Wickham
  Keith Wickham is a British actor, comedian and voice actor.He is well known for voicing Changed Daily in The Secret Show, Mr. Small, and Mr. Tall in The Mr. Men Show , Corneil in Corneil & Bernie , Mr...
  
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• Smogg - A lazy black cat, Polluto's sidekick. Smogg's whiskers are bent and he has a huge, cheeky smile

Other Characters

• Real Life Tommy - Causes problems around the house before transforming into Tommy Zoom, never speaks, played by Nathaniel Gleed
  Nathaniel Gleed
  Nathaniel George Gleed is a British child actor.-Career:He played Liam Butcher in the BBC soap opera EastEnders from 2002 to 2004, a role that, in 2008, was taken over by James Forde. He has also appeared in the British television comedy Green Wing, in Bedtime and in Man/Woman...
  
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• Real Life Daniel - Narrator of the story.
• Mum - Sometimes seen walking around the house, never speaks.
• Dad - Sometimes seen walking around the house, never speaks.
• Baby Sam - Sometimes seen eating at the table. Sometimes laughs, but never speaks.

External links

• Tommy Zoom page on the CBeebies website