Thomas the Tank Engine Wikia

Mr. Percival

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This article is about the TV series character. You may be looking for the Railway Series character.
"You have caused delay and confusion!"
— Mr. Percival, Duncan's Bluff, tenth season

Mr. Peregrine Percival,
"The Thin Controller"

Mr. Peregrine Percival, also called the "Thin Controller" ("Narrow-Gauge Controller" in the US), is the current manager of the Skarloey and Culdee Fell Railways in the television series. In the magazines, he also runs a Cable Railway.


Mr. Percival was hired sometime between the seventh and ninth seasons to help Sir Topham Hatt manage the ever-increasing size of the railway industry on the Island of Sodor.

Mr. Percival has had five children with his wife.

He was one of the important visitors who attended Dowager Hatt's special tour of the Sodor and then a party at Knapford. He later charged Peter Sam with the running of the Skarloey Railway whilst he attended a meeting with Sir Topham Hatt, and welcomed Luke to his Railway.

In the eighteenth season he scolded Duncan for his grumpy disposition at Christmas time. He told Duncan that he had to be cheerful, but later realised that demand was too hard for the grumpy engine.


Television series


Magazine stories

Voice Actors


  • Mr. Percival's Take-Along and Take-n-Play models both feature him inside of a car, whereas he has only ever been seen with a bicycle.
  • During seasons 9-11, the top of Mr. Percival's was bald. However, since the cross over to CGI in the twelfth season, he has a full head of hair.
  • Mr. Percival wears the exact same attire as the television series Fat Controller except he wears a bowler hat instead of a top hat and has a regular suit jacket instead of a tail coat.
  • Mr. Percival is often accompanied by a workman holding his bicycle.



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