I never knew that these cartoons were voiced by celebrities.

Carlos Alazraqui As Rocko

Rocko’s Modern Life





Jessica Walter As Fran The Dinosaur

Dinosaurs





George Cloony As The Doctor From South Park



The South Park Movie





Dustin Hoffman As Benedict Arnold

Liberty’s Kids









Bruce Willis As Spike

The Rugrats Movie





Adam West As R. Kelly’s Lawyer

The Boondocks





Alec Baldwin As The Bad Guy Dennis



The Spongebob Movie









Michael Cera As Brother Bear

The Berenstain Bears





Danny DeVito As Phil

Hercules





Eric Idle As The Transformer Wreck-Gar

Transformers





Uncle Phil From Fresh Prince As Shredder

TMNT





Stephen Colbert And Steve Carell As The Ambiguously Gay Duo

SNL





Michael J Fox As Stuart Little

Stuart Little





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

John Leguizamo As Rat #2





Kelsey Grammer As Sideshow Bob

The Simpsons





Whoopi Goldberg As Fantasy The Book

The Pagemaster





Vin Diesel As The Iron Giant

The Iron Giant





Mark Hamill As Invader Zim

Invader Zim (The Pilot)





Tim Curry As Nigel Thornberry

The Wild Thornberrys





Burt Reynolds As Charlie B. Barkin

All Dogs Go To Heaven





Patrick Stewart As The Great Prince

Bambi 2





Martin Sheen As Sly Sludge

Captain Planet





Mel Gibson As John Smith

Pocahontas





Val Kilmer As Moses/God

The Prince Of Egypt





Optimus Prime As Eeyore