Daniel Louis Castellaneta (born October 29, 1957) is an American actor, voice actor, comedian and screenwriter. Castellaneta is best known for voicing Homer Simpson on the Fox Broadcasting Company animated series The Simpsons. His other roles on the show include Abraham "Grampa" Simpson, Barney Gumble, Krusty the Clown, Sideshow Mel, Groundskeeper Willie, Mayor Quimby and Hans Moleman.

Castellaneta provided the voice for Patrick.

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