An American actor, comedian, and screenwriter, he is best known for his voice work on the long-running animated television series "The Simpsons," where he voices multiple characters, including Homer Simpson. Born in Chicago, he honed his skills in improvisational comedy with The Second City. He has also appeared in various films and TV shows, often showcasing his versatility in both comedic and dramatic roles. His contributions to animation have earned him numerous awards and accolades.