An acclaimed American filmmaker, comedian, and actor, he emerged as a significant voice in comedy during the 1970s with innovative stand-up routines and television appearances. Transitioning to film, he gained recognition for his work both in front of and behind the camera. Known for his keen wit and satirical edge, he directed and starred in critically lauded films such as "Lost in America" and "Defending Your Life." His performances often explore themes of existential angst and modern life's absurdities.