In Thomas and Friends Derek is a friendly, hard-working diesel who had significant teething troubles.

In Thomas and Friends Stepney is a friendly and hard working engine that was saved from scrap by Rusty.

In Thomas and Friends Smudger is a narrow gauge Fletcher Jennings Class Bb who was turned into a generator due to blatantly disregarding rules and regulations.

In Thomas and Friends Neville is a friendly SR Class Q1.

In Thomas and Friends Billy (real name William) is a Manning Wardle L Class orange tank engine who was a one off character.

Arthur is from the LMS railway, he is large and maroon with yellow lining and was known for his spotless record.

Hank is the first American engine to appear in Thomas & Friends, he debuted in season 12 and is a large strong tender engine.

Murdoch is a big strong tender engine that lives on the island of sodor. He has 10 drive wheels and pulls large goods trains across the main line.