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
Groucho Marx the relationship with a younger woman boosted his ego and vitality. Others described her as a Svengali, exploiting an increasingly senile Marx in pursuit of her own stardom. Marx's children, particularly Arthur, felt strongly that Fleming was pushing their weak father beyond his physical and mental limits. Writer Mark Evanier concurred. On the 1974 Academy Awards telecast, Marx's final major public appearance, Jack Lemmon presented him with an honorary Academy Award to a standing ovation. The award honored his brothers as well: "in recognition of his brilliant creativity and for the unequalled achievements of the Marx Brothers in the art