Duke, named after the Duke of Sodor and originally The Duke, is considered a hero amongst the engines. He is also one of the oldest engines on Sodor. Sir Handel (Falcon) and Peter Sam (Stuart) tease Duke and call him Grandpuff.
He plays one of the llamas in Raymanladdin (ThomasTenCents34526's Style)
- He is one of the llamas in The Prince Ali parade.
He plays Achilles in The Hero of Notre Dame (ThomasTenCents34526's Style)
- He is Captain Phoebus' horse.