Derek

Derek is a green diesel who works at the Sodor China Clay Works on Edward's Branch Line.

Bio
Derek was brought to Sodor in 1998 to help BoCo, Bill and Ben at the China Clay Works. But he had teething troubles and overheated his first few days on Sodor. Derek broke down on Gordon's Hill and the hill between Brendam Docks and the China Clay Works. Derek was then sent to the Works to mended.

Derek now works happily at the Clay Pits with Bill, Ben, BoCo, Marion and Timothy.

Persona
Derek is a friendly diesel who enjoys working at The China Clay Workings. He doesn't mind Bill and Ben's tricks, he just forgets them and gets on with the job.

Voice Actor

 * Someone who sounds like William Hope.

Trivia

 * Derek and Salty share the same horn sound.