The Fat Controller

The Fat Controller
The Railway Series and Thomas & Friends character
Figurine prop as seen in the series 2 episode "Duck Takes Charge" (1986)
First appearanceThe Three Railway Engines (1945)
Created byRev. W. Awdry
Designed byWilliam Middleton
Voiced by
  • Kerry Shale (2009–2015)
  • Keith Wickham (2015–2020)
  • Bruce Dow (2021–2025)
In-universe information
GenderMale
OccupationController of the North Western Railway
FamilyDowager Hatt (mother)
Sir Lowham Hatt (brother)
SpouseLady Hatt
Children2
NationalityEnglish

The Fat Controller is a fictional character originating from The Railway Series books written by Reverend W. Awdry and his son, Christopher Awdry.

In the first two books in the series (The Three Railway Engines and Thomas the Tank Engine) he is known as The Fat Director, and as of the third book (James the Red Engine) he becomes The Fat Controller. In the introduction to the 1951 book Henry the Green Engine, his real name is revealed to be Sir Topham Hatt.

The Fat Controller also appears in the television series Thomas & Friends, adapted from the books. On television, he was usually portrayed in the form of several different static figures made with either wood or lead during series one, and resin from series two onwards, but has been portrayed using CGI from the twelfth series onward.

The term "fat controller" has since been adopted in various contexts in the English language, beyond the sphere of the original stories, usually in reference to someone who runs a railway.