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
Marx Brothers being an actor!" Zeppo replaced him in their final vaudeville years and in the jump to Broadway, and then to Paramount films. During World War I, anti-German sentiments were common, and the family tried to conceal its German origin. Mother Minnie learned that farmers were excluded from the draft rolls, so she purchased a poultry farm near Countryside, Illinois — but the brothers soon found that chicken ranching was not in their blood. During this time, Groucho discontinued his "German" stage personality. By this time, "The Four Marx Brothers" had begun to incorporate their unique style of comedy into their