Theo

Theo the Experimental Engine
First Appearence	Merlin the Magical Engine (mentioned)
Creator(s)	Andrew Brenner
Character Overview
Name(s)	Theodore
Nicknames	Theo
Gender(s)	Male
Country	The Mainland
Current Status	Experimental
Relative(s)	Fergus (cousin)
Friends	Lexi Merlin Thomas Hurricane Frankie
Enemies	Unknown
Technical Details
Basis	Brill Tramway No. 1
Gauge	Standard Gauge
Power type	Steam
Vehicle	Locomotive
Type	Railway traction engine
Fuel type	Coal
Configuration	2-2-0WT
Wheels	4
Builder(s)	Aveling and Porter
Year built/Age	1871 (age 147)
Railway	The Steelworks

Theo is a shy experimental railway traction engine.

Appearances

• Season 14: Merlin the Magical Engine (mentioned)

He will appear in Season 15.