- “Well done Thomas! You have been a Really Useful scarecrow!”
- ―Farmer McColl to Thomas, Thomas Toots the Crows, sixteenth season
Farmer McColl is known to own a loyal and friendly sheepdog named Katie, sheep, ducks, chickens, pigs, and cows, amongst other animals. He is good friends with Farmer Trotter. He relies on the Fat Controller's railway to distribute his produce. He regularly attends many of Sodor's events including country fairs where his animals go on show.
Farmer McColl wears a long green hooded jacket, over a cream woollen jumper, with brown trousers, black boots and a green flat cap.
- Matt Wilkinson (UK; thirteenth season onwards, excluding Philip's Number)
- William Hope (US; thirteenth season onwards, UK; Philip's Number only)
- Naoki Tatsuta (Japan; sixth season only)
- Yasuhiko Kawazu (Japan; eighth season only)
- Daiki Nakamura (Japan; tenth season onwards)
- Sławomir Pacek (Poland; thirteenth season onwards)
- Joshy Peters (Germany; thirteenth season onwards)
- Christoffer Staib (Norway; thirteenth - sixteenth seasons)
- Jorge Santos (Latin America; thirteenth season only)
- Luis Alfonso Padilla (Latin America; fifteenth season only)
- Igor Cruz (Latin America; sixteenth season onwards)
- Roberto Cuadrado (Spain; thirteenth season onwards)
- Jukka Voutilaninen (Finland; thirteenth season onwards)
- In the magazines, he owns a bull named Hector.
- His figurine is currently on display at Drayton Manor.
- His last name has often been misspelt as "McCall."
- With the CGI switch, Farmer McColl's hat changed colour from grey to green and his jacket changed to a hoodie.