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Fraggle Rock: Junior Gorg (body, until episode 86), Lanford, Baby Poison Cackler, Blue Dragon, The Glob, Gobo Fraggle (Episode 82 only, not the voice), Inkspot, Lizard (the transformed Mudwell), Merkey Merggle
The Christmas Toy: Bleep
Dinosaurs: B.P. Richfield (sometimes, last season, not the voice), Robbie Sinclair (sometimes, last season, face)
The Jim Henson Hour: Ubu, Mr. Quackers ("Dog City")
Labyrinth: Fiery 3, Ludo, Red Riding Goblin (The one that gets decked by Sir Didymus)
Muppet Sing-A-Long: It's Not Easy Being Green
Sesame Park (Canada): Dodi, Floyd Balding, Garth Burmengi
Teenage Mutant Ninja Turtles II: The Secret of the Ooze: Donatello (face)