Dan Castellaneta (born October 29, 1957) is an American actor, Who voiced Homer Simpson, Barney Gumble, Grandpa Abe Simpson, Groundskeeper Willie, Krusty The Clown, Sideshow Mel, Itchy the Mouse, Hans Moleman, and Mayor Quimby from The Simpsons, The Genie from Aladdin 2: The Return Of Jafar and Aladdin (TV Series), Earthworm Jim from the Earthworm Jim cartoon series, Jonathan Kraskell from Rugrats, and Arnold's Grandfather and Willie the Jolly Olly Man from Hey Arnold.

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