Groucho Marx never discussed on-screen, but in a famous scene in "Duck Soup," where both Chicolini (Chico) and Pinky (Harpo) disguise themselves as Groucho, they are briefly seen applying the greasepaint, implicitly answering any question a viewer might have had about where he got his mustache and eyebrows. Marx was asked to apply the greasepaint mustache once more for "You Bet Your Life" when it came to television, but he refused, opting instead to grow a real one, which he wore for the rest of his life. By this time, his eyesight had weakened enough for him actually to need corrective lenses;
Marx Brothers warns him that he "can't burn the candle at both ends," a candle burning at both ends. During this period Chico and Groucho starred in a radio comedy series, "Flywheel, Shyster and Flywheel". Though the series was short lived, much of the material developed for it was used in subsequent films. The show's scripts and recordings were believed lost until copies of the scripts were found in the Library of Congress in the 1980s. After publication in a book they were performed with Marx Brothers impersonators for BBC Radio. Their last Paramount film, "Duck Soup" (1933), directed by the highly