MainlandStudios is a voice actor and writer for Thomas: The Trainz Adventures
- Donald and Douglas (Percy Ploughs the Field - onwards)
- Bill and Ben (Jinty's Twin Trouble - onwards)
- Arry and Bert
- Rex (Season 2 - onwards)
- Passenger 1
- The Man with the Camera
- Terence (originally)
- Red, White, and Wendell (with Ilovetrains323)
- He created Wendell.
- He helped model SKR's new engine, Zach.
- He originally voiced Terence, but was replaced by Carson08022000.