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 biopic entitled "The Life and Times of the Marx Brothers". In addition to being a non-fiction biography of the Marxes, the film would have featured the brothers reenacting much of their previously unfilmed material from both their vaudeville and Broadway eras. The film, had it been made, would have been the first performance by the Brothers as a quartet since 1933. The five brothers made only one television appearance together, in 1957, on an early incarnation of "The Tonight Show" called "Tonight! America After Dark", hosted by Jack Lescoulie. Five years later (October 1, 1962) after Jack Paar's tenure, Groucho