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35 Cartoons You Never Realized Were Voiced By Celebrities

You'll never guess who was Reptar.

by ,

1. Tim Curry as Nigel Thornberry

Stephen Lovekin / Getty, Nickelodeon

The Wild Thornberrys

2. Jessica Walter as Fran the Dinosaur

Fox, ABC


3. Alexander Gould (aka Shane Botwin) as Nemo

David Livingston / Getty, Disney

Finding Nemo

4. George Clooney as the doctor from South Park.

Comedy Central

The South Park Movie

5. Michael Cera as Brother Bear

Alberto E. Rodriguez / Getty, PBS

The Berenstain Bears

6. Bruce Willis as Spike


The Rugrats Movie

7. Robert Downey Jr. as Patrick Pewterschmidt

Jason Merritt / Getty, Fox

Family Guy

8. Carlos Alazraqui as Rocko

Comedy Central, Nickelodeon

Rocko's Modern Life

9. Justin Timberlake was the guy who said "I'm lovin' it" in the McDonald's commercials.

Jamie McCarthy / Getty, McCDonalds

Not a cartoon, but YOU GET IT.

10. Busta Rhymes as Reptar

The Rugrats Movie

11. Frank Zappa as the pope in Ren and Stimpy

Ren and Stimpy

12. Uncle Phil from Fresh Prince as Shredder


13. Jay Leno as The Crimson Chin

Fairly Odd Parents

14. Alec Baldwin as the bad guy Dennis

The SpongeBob Movie

15. The voice of Lilo is the girl from The Ring.

16. Michael J. Fox as Stuart Little

Stuart Little

17. Vin Diesel as The Iron Giant


The Iron Giant

18. Whoopi Goldberg as Fantasy the Book

The Pagemaster

19. Mel Gibson as John Smith


20. Val Kilmer as Moses

The Prince of Egypt

21. Burt Reynolds as Charlie B. Barkin

All Dogs Go to Heaven

22. Dustin Hoffman as Benedict Arnold

Liberty's Kids

23. Adam West as R. Kelly’s Lawyer

Hulton Archive / Getty Images

The Boondocks

24. Stephen Colbert And Steve Carell As The Ambiguously Gay Duo


25. Kurt Russel as Elvis in Forrest Gump

Also not a cartoon. But let's just go with it.

26. Ringo Starr as the Duck Brothers

Courage the Cowardly Dog

27. J.K. Simmons as the yellow M&M

28. Flea as Donnie

The Wild Thornberrys

29. Jeff Goldblum voiced the villain Verminous Skumm.

Captain Planet

30. Meg Ryan was Dr. Blight.

Captain Planet

31. And Sting was Zarm.

Captain Planet

32. Johnny Cash as the space coyote in The Simpsons

Abc Television / Getty Images

The Simpsons

33. Grover = Yoda. They are both voiced by Frank Oz.

34. Captain Hadley from The Shawshank Redemption is also Mr. Krabs.

35. The guy who voiced Optimus Prime is ALSO Eeyore.


And let's not forget:

Cartoon Network

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