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:
First appearance values are according to "Comics Price Guide." Prices given are for the best available editions. Thus prices of Golden Age comics are for editions in "fine" condition because editions in better condition for such old comics are either extremely rare or have never been confirmed to exist. Prices for Silver Age and subsequent comics are for "very fine" editions. Priced are also for editions graded by the Certified Collectibles Group. Data is correct . First appearance In American comic books and other stories with a long history, first appearance refers to the first issue to feature a fictional character. These