Thomas the Tank Engine is a LB&SCR 0-6-0T E2 who works on The Island of Sodor. He helped Pooh, his friends and the Fearless Four fight off their enemies from the town of Bremen, and in Pooh's Adventures of Thomas And The Magic Railroad, Pooh helped him defend the golden engine Lady from Diesel 10.
- Thomas had his first guest star in Winnie the Pooh Meets The Fearless Four
- Pooh and his friends meet Thomas again in Pooh's Adventures of Thomas and The Magic Railroad and Pooh's Adventures of Thomas and Friends: Live on Stage - Thomas Saves the Day
- Thomas will make his guest starring appearance in Pooh's Adventures of the Elm-Chanted Forest, Pooh and Ash's Adventures of Scooby-Doo: Halloween at Dracula's Caslte, Winnie the Pooh and the Care Bear's Adventures in Wonderland, Pooh's Adventures of Tugs (TV Series), Pooh's Adventures of Stardust, Pooh's Adventures of Asterix conquers America, Winnie the Pooh meets Cool McCool (Tv Series) and Winnie the Pooh and Madeline: Lost in Paris.
- Thomas along with Percy and Toby than started their own adventures in Thomas the Tank Engine's Adventures of Sleeping Beauty. ever since then Thomas along with the steam team and Twilight Sparkle and her friends had many adventures together.
- Thomas is also Twilight Sparkle's boyfriend and private engine.
- Thomas and Twilight Sparkle are the leaders of the Thomas and Twilight Sparkle's Adventure Team.
- After Stuingtion's films, Thomas will have 2 gatling guns.
- Thomas' stories are used in the Pooh's Adventures spinoff series Mr. Conductor's Adventures.