Thomas the Tank Engine is the most famous engine who is painted blue with red lining. He is a cheeky little engine and tries very hard to be very useful. Thomas is easily identified by his No. 1 and bright blue color.
He is the very first train most children start with when collecting Thomas & Friends engines and trains. Thomas is a member of the Steam Team, which includes Edward, Henry, Gordon, James, Percy, Toby and Emily.
- Thomas is based on the E2 Class of locomotives, the London Brighton and South Coast Railway 0-6-0 E2 with extended side tanks.
- He made his first appearance in 1946 in the second book in a series called Thomas the Tank Engine.