Timothy is a Little Oil-Burning Blue Tank Engine, who Works at The Sodor China Clay Works with Bill, Ben and Marion.
Appearances:[]
- Season 14: Quarry Quest, Cabless Companions and James in a Jam (cameo)
- Season 15: Roundhouse Roulette (cameo), The Crosby Coalition (cameo) and The Island of Misfits Engines (cameo)
- Season 16: Marion Had a Little Lamb, Painting the Rosie's Red (cameo) and Victor and Victoria (cameo)
- Season 17: Unidentified Flying Scotsman (cameo), Dustin the Really Useless Engine, Oliver Confusion and Para-Norman Activity (cameo)