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Thomas Theo


Number 29
Class Unknown

Bright yellow with purple lining (previously blue with green lining)

Built 2010
Builder Unknown
Date of Birth November 12, 2010
First Appearance Theo to the Rescue
Voice Actors Ben Small (UK/USA)

Theo is a little tank engine and one of the youngest engines on Sodor.

Allies: Thomas, Edward, Henry, Gordon, James, Percy, Toby, Duck, Donald and Douglas, Oliver, Emily, Sir Topham Hatt, Rosie, Charlie, Stanley, Spencer, Whiff, Harvey, Molly, Dennis, Murdoch, Mavis, Salty, Scruff, Paxton, Bash and Dash, Ferdinand, Skarloey, Rheneas, Sir Handel, Peter Sam, Rusty, Duncan, Luke, Owen, Merrick, Winston, Mr. Percival, Hiro, Victor, Kevin, Rocky, Hector, Annie and Clarabel

Enemies: Diesel, Arry and Bert, Diesel 10, Spencer (formerly), George, Hector (formerly)


Theo once went on a trip around the world. He was blue then. As the boat sailed to the UK, a big wave made a Theo's chains brake. As a crane was about to lift Theo on the tracks, he accidently bumped him. Theo slid into the sea and was left there all night. When he was lifted out, Theo was ruined. He was brought to the mainland and was repaired and he had to be repainted. He choose yellow which was his perfect colour. When he came to Sodor, Gordon, Henry and Percy teased him and that made him very upset. Edward had broken down on an old bridge and it was collapsing. Theo heard Edward's whistle and chuffed quickly to help him and he managed to save him he was rewarded by being a new member of the Steam Team and a birth at Tidmouth Sheds.


  • A Thomas and Friends Wooden Railway model (normal, metallic and talking) (coming soon)
  • A Take N Play model (coming soon)
  • A Trackmaster model (coming soon)
  • A Mega Bloks model (coming soon)


  • Pokabu (Pokemon)

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