Merlin (a.k.a. Merlin the Invisible) is a character set to appear in Thomas The Tank Engine: Project G-1.
Biography
There has been no information about Merlin other than the fact he was bio-fused into a SR King Arthur class 783 Sir Gillemere tender engine.
One day, he was locked in jail with Toby and Kevin. It is currently unknown what caused this to end up there.
Appearances
Gallery
Merlin with Toby and Kevin in "Thomas The Tank Engine: Project G-1".