The Marx Brothers were a famous American comedy team known for their unique blend of humor, music, and slapstick. The group consisted of five brothers: Groucho, Harpo, Chico, Zeppo, and Gummo. They gained popularity in the early 20th century through their stage performances and later transitioned to film, becoming icons of classic American cinema. Their most notable films include Duck Soup, A Night at the Opera, and Animal Crackers. The brothers were known for their quick wit, absurd antics, and memorable one-liners, which have influenced many comedians and filmmakers in the years since their peak.