Duke

Duke is a very old engine that worked on the Mid Sodor Railway with Smudger, Stanley, Stuart, Falcon, Steamer, Bertram, and Albert.

he is also very very wise and friendly.

He was voiced by Sowhart In Five Night's At Smudger's 4

He is now voiced by Luigi Fan

Basis
Duke himself is based on Prince, a George England tank engine from the Ffestiniog Railway at Porthmadog, North Wales. Unlike his basis, Duke is built to 2ft 3in gauge, while Prince is built to 1ft 11½in gauge. Bertram is another member of this class, along with Gerald jordon and Smuke.