Henrietta is Toby's faithful coach. She will be voiced by Maggie Ollerenshaw in both the UK and the US versions of the show in the future.
- Henrietta's theme is Toby's Season 3 theme from the episode, Time For Trouble. He is cameoed in Calm Down Caitlin and Not Now, Charlie!
- Lilly (Shining Time Station; both are non-visual)
- Pearl (TUGS)
- Bonnavista (Theodore Tugboat)
- Elizabeth Hoover (The Simpsons)
- Dixie Kong (Super Mario Bros.)
- Ellie (Donkey Kong Country)
- Marine (Sonic the Hedgehog, the former shares the same name)
- Billie (Animaniacs)
- Annie DeLoo (The Wubbulous World of Dr. Seuss)
- Gretchen (Phineas and Ferb)
- Cherubi (Pokemon)
- Bessie (Cars 1; both are faceless)
- Fifi LaFume (Looney Tunes)
- Hannah the Bee (Maya the Bee, both their letter starts with 'H')