Derek The Diesel Engine

Biography:
Derek was brought to the island of Sodor to help out on Edward's Branch line. When he was first arriving to the island he encountered Gordon's hill and over heated leading him to brake down. It turned out Derek had teething troubles like the Fat Controller had predicted the news spread allover the island. Eventually Percy told Bill and Ben that the new diesel Bill and Ben were going to work with had 'tooth ac' later duck corrected this and told Bill and Ben it was teething troubles. The next day Derek came to help but he over heated again leaving Bill and Ben to haul the train on their own. Later Bill and Ben slept at Brendem Docks and told Duck and BoCo that the new diesel (Derek) was actually very polite.

Personality:
Derek is a keen, eager to work and hard working diesel who is pron to brake down.

Trivia:

 * Just like BoCo, Derek retains his old British Railways number and colour scheme.