The Marx Brothers were a popular American comedy act in the early 20th century. Groucho Marx was the leader of the group, known for his quick wit and signature greasepaint mustache. Harpo Marx was the silent member of the group, often playing a harp and wearing a curly wig. CHICO Marx was the piano-playing brother, known for his Italian accent and comedic timing. Together, the Marx Brothers created some of the most iconic comedy films of all time.