Merlin

merlin is one of the characters in the film

bio
merlin told thomas about the poblem at the steelworks and his experimental lamet he showed the reason why they were never used again and soon he decides to help him to save james

and him and harvey have plan to trap hurricane and frannkie

but when thomas told about going back to sodor merlin dint feel like going  but sience there hiding spot was oliver and toads old hide out oliver knew how to get home so merlin decided to near the end of the movie merlin hides in henrys tunnel to make thomas prove gordon that he could turn himself invisible

trivia
merlin was voiced by matt twillman