Proteus

    Proteus   Proteus is a legendary narrow-gauge tank engine with a magic lamp hung upon his funnel. Legend has it that should someone find the lamp, their wishes will be granted. Skarloey told this story to the others, which made Peter Sam search the line looking for the magic lamp.
 * Builder: Falcon Works
 * Configuration: 0-4-2ST

The clues to finding his magic lamp are feeling a rush of wind when the lamp is near, hearing a strange creaking sound, and see a flickering light that shines on and off.

Basis
Proteus is based on the Talyllyn Railway's Sir Haydn.

Livery
Proteus is painted bright yellow with red lining.

Television series

 * Season 9 - The Magic Lamp (does not speak)
 * Season 12 - Mountain Marvel (mentioned, appears as statue)

Merchandise

 * Wooden Railway (with a working lamp)
 * TrackMaster

Trivia

 * Proteus appears to be made from the same model as Sir Handel, which could be why Sir Handel returned in the tenth season.
 * The TrackMaster packaging of Proteus shows him carrying the number 3.