John was a narrow gauge tank engine who used to work on the Mid Sodor Railway. He was not featured in any stories, but was featured on the Rev. W. Awdry's layout of the railway. It is unknown what happened to him after the Mid Sodor Railway closed.
John was built out of a Peco James kit.
John is painted burgundy red with a brass dome. His footplate and the top of his tanks are black, while his bufferbeam is painted red.