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25 Cartoons You Never Knew Were Voiced By Celebrities

Did you know Bruce Willis voiced Spike from Rugrats? Way too often celebrities find some very weird characters to lend their voice to. Here's a list of the best and strangest.

  • 1. Carlos Alazraqui As Rocko

    Rocko's Modern Life

  • 2. Jessica Walter As Fran The Dinosaur


  • 3. George Cloony As The Doctor From South Park

    The South Park Movie

  • 4. Dustin Hoffman As Benedict Arnold

    Liberty's Kids

  • 5. Bruce Willis As Spike

    The Rugrats Movie

  • 6. Adam West As R. Kelly's Lawyer

    The Boondocks

  • 7. Alec Baldwin As The Bad Guy Dennis

    The Spongebob Movie

  • 8. Michael Cera As Brother Bear

    The Berenstain Bears

  • 9. Danny DeVito As Phil


  • 10. Eric Idle As The Transformer Wreck-Gar


  • 11. Uncle Phil From Fresh Prince As Shredder


  • 12. Stephen Colbert And Steve Carell As The Ambiguously Gay Duo


  • 13. Michael J Fox As Stuart Little

    Stuart Little

  • 14. John Leguizamo As Rat #2

    Dr. Dolittle And that's Rat #2. Don't you forget.

  • 15. Kelsey Grammer As Sideshow Bob

    The Simpsons

  • 16. Whoopi Goldberg As Fantasy The Book

    The Pagemaster

  • 17. Vin Diesel As The Iron Giant

    The Iron Giant

  • 18. Mark Hamill As Invader Zim

    Invader Zim (The Pilot)

  • 19. Tim Curry As Nigel Thornberry

    The Wild Thornberrys

  • 20. Burt Reynolds As Charlie B. Barkin

    All Dogs Go To Heaven

  • 21. Patrick Stewart As The Great Prince

    Bambi 2

  • 22. Martin Sheen As Sly Sludge

    Captain Planet

  • 23. Mel Gibson As John Smith


  • 24. Val Kilmer As Moses/God

    The Prince Of Egypt

  • 25. Optimus Prime As Eeyore

    Yup, voiced by the same guy. Mind=blown.

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