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"We've all been there \u2014 watching an old cartoon from childhood and thought, \"I know that voice!\" Never fear, because we have a few eureka moments for you. \nMany big names started as the voices behind your favorite animated characters of the '90s and '00s. Whether it was a minor appearance or a major character, you've most certainly heard these famous actors between the sounds of crunching on sugary, Saturday-morning cereal.\nSee also: 17 Things We Learned From Old Cartoon PSAs\nYou may have forgotten the names of all the characters, but you'd recognize more names in these cartoons' credits than you might think. \n\n\n11 Actors You Didn't Know Did Cartoon Voice Overs\n\n\n\n\n\n\n\n1. Ashley Johnson from The Avengers voiced Gretchen in Recess (1997-2001).\n\n\nImage: Tumblr starlorrd\n\n\n\n\n\n\n\n\n\n\n\nVideo: YouTube, iVideoXD\n\n\n\n\n\n\n\n\n2. Meg Ryan voiced Dr. Blight in Captain Planet (1990-1991).\n\n\nImage: Tumblr imphoebobuffay\n\n\n\n\n\n\n\n\n\n\n\nVideo: YouTube, MonicaLewinsky2010\n\n\n\n\n\n\n\n\n3. Thomas Brodie-Sangster from Game of Thrones voiced Ferb in Phineas and Ferb (2007-2012).\n\n\nImage: Tumblr nymheria\n\n\n\n\n\n\n\n\n\n\n\nVideo: YouTube, Liam Prentice\n\n\n\n\n\n\n\n\n4. Constance Shulman from Orange is the New Black voiced Patti Mayonnaise in Doug (1996-1999).\n\n\nImage: Tumblr canibale\n\n\n\n\n\n\n\n\n\n\n\nVideo: YouTube, 90sloverboy\n\n\n\n\n\n\n\n\n5. Jay Leno voiced The Crimson Chin in The Fairly OddParents (2001-2011).\n\n\n\nImage: Tumblr nymheria\n\n\n\n\n\n\n\n\n\n\n\nVideo: YouTube, Matthew Haftu\n\n\n\n\n\n\n\n\n6. Scarlett Johansson voiced Mindy in The SpongeBob SquarePants Movie (2004).\n\n\nImage: Tumblr starkked\n\n\n\n\n\n\n\n\n\n\n\nVideo: YouTube, MOVIECLIPS\n\n\n\n\n\n\n\n\n7. Melissa McCarthy voiced DNAmy in Kim Possible (2002-2005).\n\n\nImage: Tumblr jamminontheone-\n\n\n\n\n\n\n\n\n\n\n\nVideo: YouTube, Disney Shows\n\n\n\n\n\n\n\n\n8. Amanda Bynes voiced Taffy in Rugrats (2001-2006).\n\n\nImage: beaksunderwings\n\n\n\n\n\n\n\n\n\n\n\nVideo: YouTube, willy council\n\n\n\n\n\n\n\n\n9. Bernadette Peters voiced Rita in Animaniacs (1993-1996).\n\n\n\nImage: Tumblr broadwaydivaintraining\n\n\n\n\n\n\n\n\n\n\n\nVideo: YouTube, foxytoph2\n\n\n\n\n\n\n\n\n10. Michael Cera voiced Josh on Braceface (2001-2006).\n\n\nImage: Tumblr tobiasfuckineaton\n\n\n\n\n\n\n\n\n\n\n\nVideo: YouTube, Caty Violet\n\n\n\n\n\n\n\n\n11. Lacey Chabert from Mean Girls voiced Eliza in The Wild Thornberrys (1998-2004).\n\n\nImage: Tumblr sahjan\n\n\n\n\n\n\n\n\n\n\n\nVideo: YouTube, shoutfactory\n\n\n\n\n\n\n\n\nBONUS: Can You Guess the Famous Voices Behind These Commercials?\n\n\nVideo: YouTube, Mashable\n\n\n\n\n"^^<http://www.w3.org/2001/XMLSchema#string>
<http://mashable.com/2014/04/29/cartoon-voice-overs/>