Marx Brothers appeared, sometimes with Chico and Zeppo caricatured, in cartoons starring Mickey Mouse, Flip the Frog and others. In the "Airwolf" episode 'Condemned', four anti-virus formulae for a deadly plague were named after the four Marx Brothers. In "All in the Family", Rob Reiner often did imitations of Groucho, and Sally Struthers dressed as Harpo in one episode in which she (as Gloria Stivic) and Rob (as Mike Stivic) were going to a Marx Brothers film festival, with Reiner dressing as Groucho. Gabe Kaplan did many Groucho imitations on his sit-com "Welcome Back, Kotter" and Robert Hegyes sometimes imitated both Chico
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