Marx Brothers stage during the middle of a Groucho monologue to see if Groucho would be thrown off. However, to the audience's delight, Groucho merely reacted by commenting, "First time I ever saw a taxi hail a passenger". When Harpo chased the girl back in the other direction, Groucho calmly checked his watch and ad-libbed, "The 9:20's right on time. You can set your watch by the Lehigh Valley." The brothers' vaudeville act had made them stars on Broadway under Chico's management and with Groucho's creative direction—first with the musical revue "I'll Say She Is" (1924–1925) and then with two musical comedies:
Zeppo Marx who never understood any of his jokes. On the television series "Cheers", Lilith Crane said Zeppo was her favorite Marx brother. A third season episode of the television series "Buffy the Vampire Slayer" was titled "The Zeppo". This episode focuses on the perspective of the character Xander Harris; his position as ostensibly the least impressive or capable member of the cast is compared to Zeppo Marx. Zeppo Marx Herbert Manfred "Zeppo" Marx (February 25, 1901 – November 30, 1979) was an American actor, comedian, theatrical agent, and engineer. He was the youngest of the five Marx Brothers. He appeared in