Eric is a mountain engine who was mentioned in a conversation between Culdee, Wilfred, and Ernest in Mountain Engines. According to them, Eric is "nice and quiet".
Eric was built at the Swiss Locomotive and Machine Works in Winterthur, Switzerland, in 1923 to a "super-heat" design.
Eric is based on the Snowdon Mountain Railway's Eryri.
Eric is painted purple with orange lining.