- A Goofy Movie - Principal Mazur
- Toy Story - Rex
- Toy Story Treats - Rex
- My Favorite Martian - Dr. Elliot Coleye
- Toy Story 2 - Rex
- Monsters, Inc. - Rex (uncredited in outtakes)
- The Haunted Mansion - Ezra
- Stanley - Mr. Goldberg
- Teacher's Pet - Principal Crosby Strickler
- Teamo Supremo - Gauntlet / Mr. Crawford
- The Incredibles - Gilbert Huph
- Chicken Little - Principal Fetchit
- Air Buddies - Billy
- Toy Story 3 - Rex
- Toy Story Toons - Rex
- Phineas and Ferb Save Summer - Saul
- The 7D - Not-So-Magic Mirror
- Toy Story of Terror! - Rex
- Toy Story That Time Forgot - Rex
- Goldie & Bear - Mouse King
- Toy Story 4 - Rex
- Big City Greens - Jyle Donelan
- Forky Asks a Question - Rex
- Timmy Failure: Mistakes Were Made - Frederick Crocus
- Toy Story: The Video Game - Rex
- Toy Story 3: The Video Game - Rex
- Kinect Rush: A Disney/Pixar Adventure - Rex
- Disney Infinity - Rex
- Kingdom Hearts III - Rex
- He was originally going to voice Boomer in The Fox and the Hound but dropped out.
- Shawn was also considered for the role of Eddie Valiant in Who Framed Roger Rabbit along with several other actors that were considered.
- As of now, Shawn has voiced three Disney principals; Principal Mazur, Principal Fetchit, and Crosby Strickler. Incidentally the first two are dogs, while the latter is a human who hates dogs.
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