Dan Castellaneta (born October 29, 1957) is an American actor, voice actor, comedian, and screenwriter. Noted for his long-running role as Homer Jay Simpson on the animated television series, The Simpsons, he voices other characters, including Abraham "Grandpa" Simpson, Barney Gumble, Krusty the Clown, Groundskeeper Willie, Arnie Pye, Itchy, Mayor Quimby, Kodos, Sideshow Mel, Rich Texan, Blue Haired Lawyer, Jeremy Freed, and Hans Moleman.

For Cow and Chicken he provided the voice of Earl.

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