Marx Brothers "The Cocoanuts" (1925–1926) and "Animal Crackers" (1928–1929). Playwright George S. Kaufman worked on the last two and helped sharpen the brothers' characterizations. Out of their distinctive costumes, the brothers looked alike, even down to their receding hairlines. Zeppo could pass for a younger Groucho, and played the role of his son in "Horse Feathers". A scene in "Duck Soup" finds Groucho, Harpo, and Chico all appearing in the famous greasepaint eyebrows, mustache, and round glasses while wearing nightcaps. The three are indistinguishable, enabling them to carry off the "mirror scene" perfectly. The stage names of the brothers (except Zeppo) were
Sam Marx travel to New Jersey, and sell them door-to-door. In his last interview, Zeppo joked that his father "was a very bad tailor but he found some people who were so stupid that they would buy his clothes, and so he'd make a few dollars that way for food". Marx made a cameo appearance in his four sons' film "Monkey Business" (1931), sitting on top of luggage behind the brothers on the pier as they wave to the First Officer, having slipped off the ship without being arrested as stowaways. (In some interviews, the brothers mistakenly attributed this scene to "A