Keith

Keith is a minimum gauge express engine. He has smoke deflectors and a 4-6-2 wheel arrangement. He is fast and strong.

Bio
When Keith arrived on the Arlesdale Railway along with Perseus and Rowley, he was assigned to pull express trains to and from Arlesdale. Mike became jealous of his speed and strength. He tried to outperform him by running the express himself. Eventually he became friends with Keith.

Basis
Keith is based on the Romney Hythe & Dymchurch Railway's Northern Chief.