A proud and boastful engine, He mainly pulls the express trains, and is proud to be one of the largest and strongest engines on the railway. Because of this, he considers goods trains "low class" and has ended up into trouble, such as falling into a ditch to avoid these jobs. He has proven himself to have a kinder side, like when he helped Thomas out of a mine, and Percy out of a dirt bank. His title was challenged by Spencer. Gordon is based on an A0 Pacific from the London North Eastern Railway designed by Nigel Gresley.
Gordon and Spencer are the only two DUPLO Trains not to have side rods.