Toby is old-fashioned, Every engine, no matter how old, wants to be Useful and having once nearly been scrapped, Toby is always happy to work. He is not above being tempermental sometimes, but He is usualy Level-Headed.

Bertram, nicknamed "The Old Warrior" by the railway staff because of his bravery, is an old narrow-gauge tank-tender engine who worked at the mines. He lived on a remote part of the Island that was once very rarely visited.