Daniel Louis Castellaneta is an American actor, voice actor, comedian and television writer. Castellaneta is best known for voicing Homer Simpson on the animated series Die Simpsons (1989) (as well as other characters on the show such as Abraham "Grampa" Simpson, Barney Gumble, Krusty the Clown, Sideshow Mel, Groundskeeper Willie, Mayor Quimby, and Hans Moleman). Castellaneta also had voice roles in several other programs, including Futurama (1999), Keine wie die andere (1991) and Darkwing Duck - Der Schrecken der Bösewichte (1991), Dynamo Duck (1990), The Batman (2004), Zurück in die Zukunft (1991), Aladdin (1994), Taz-Mania (1991) and Hey Arnold! (1996). He also occasionally guest starred on shows like Friends (1994) and How I Met Your Mother (2005).
In 1999, he appeared in the Christmas special Lilli rettet Weihnachten (1999) and won an Annie Award for his portrayal of the Postman. Castellaneta released a comedy album "I Am Not Homer", and wrote and starred in a one-person show titled "Where Did Vincent van Gogh?".