He Loved Impersonating Jack Nicholson
Everyone knew Robin Williams was the king of improvisation. He could launch into a monologue at the drop of a hat. However, with great talent comes great responsibility—and Williams used his talents to capture the essence of his favorite celebrity, Jack Nicholson. Williams also impersonated Christopher Walken, Al Pacino, John Wayne, Arnold Schwarzenegger, Ed Sullivan, and Keith Richards.