Varney also lent his voice to Slinky Dog in Disney/Pixar's "Toy Story" and "Toy Story 2" in the "Toy Story" series (he was replaced by his close friend Blake Clark in "Toy Story 3" and "Toy Story 4" after his death in 2000). Varney played numerous other characters, including "Cookie" Farnsworth, from ', released the year after his death (Steven Barr replaced Varney for the sequel '), the carny character Cooder in the "Bart Carny" episode of "The Simpsons", the character Walt Evergreen in the "Duckman" episode "You've Come a Wrong Way, Baby", Prince Carlos Charmaine (a royal suitor Jackie dates) for a few episodes of the final season of the 1990s television series "Roseanne", and Lothar Zogg in the 1998 film "", also starring Hulk Hogan and Loni Anderson. He voiced James Rivers in "Scooby-Doo on Zombie Island".