Robert Crumb is a seminal American cartoonist and musician who was a founding figure of the underground comix movement. He is renowned for his distinctive, crosshatched drawing style and satirical, often controversial, critiques of American culture. His most famous creations include iconic characters like Fritz the Cat and Mr. Natural, as well as the comic book series Zap Comix. Crumb's work has had a profound and lasting influence on alternative comics and popular culture worldwide.