An American actor and comedian, he gained fame for his work on television, particularly as a key cast member of "The Carol Burnett Show" from 1967 to 1978. Known for his versatile comedic skills and impeccable timing, he also appeared in several Mel Brooks films, including "Blazing Saddles" and "High Anxiety." His career spanned over five decades, earning him multiple Emmy Awards. His work remains celebrated for its humor and creativity, leaving a lasting impact on comedy.