Marx Brothers since he did not join the act until Gummo had departed. As with Groucho, three explanations exist for Herbert's name "Zeppo": Maxine Marx reported in "The Unknown Marx Brothers" that the brothers listed their "real" names (Julius, Leonard, Adolph, Milton, and Herbert) on playbills and in programs, and only used the nicknames behind the scenes, until Alexander Woollcott overheard them calling one another by the nicknames. He asked them why they used their real names publicly when they had such wonderful nicknames, and they replied, "That wouldn't be dignified." Woollcott answered with a belly laugh. Woollcott did not meet the
I'll Say She Is autobiography "Harpo Speaks" (1961), Harpo wrote that theatre critic Alexander Woollcott encouraged the Brothers to use their stage names in any subsequent production, which they did, starting with their next Broadway show, "The Cocoanuts" (1925), which was later turned into a film version in 1929. Having toiled on the Vaudeville circuit for nearly a quarter century, this would be the last stage performance that The Marx Brothers would perform for Vaudeville theaters. Once "I'll Say She Is" hit Broadway, they never left. They would have two further Broadway hits, "The Cocoanuts" and "Animal Crackers", which were then filmed in the