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
Jack Benny her boys in their act. Benny's parents refused to let their son go on the road at 17, but it was the beginning of his long friendship with the Marx Brothers, especially Zeppo Marx. The next year, Benny formed a vaudeville musical duo with pianist Cora Folsom Salisbury, a buxom 45-year-old divorcée who needed a partner for her act. This angered famous violinist Jan Kubelik, who feared that the young vaudevillian with a similar name would damage his reputation. Under legal pressure, Benjamin Kubelsky agreed to change his name to Ben K. Benny, sometimes spelled Bennie. When Salisbury left the