Marx Brothers and Chico appeared less prominently. The two younger brothers, Gummo and Zeppo, never developed their stage characters to the same extent as the elder three. They each left the act to pursue business careers at which they were successful, and for a time ran a large theatrical agency through which they represented their brothers and others. Gummo was not in any of the movies; Zeppo appeared in the first five films in relatively straight (non-comedic) roles. The performing lives of the brothers owed much to their mother Minnie Marx, who acted as their manager until her death in 1929. The
Harpo Marx fiction novella, "The Foreign Hand Tie" by Randall Garrett, a tale of telepathic spies which is full of references to the Marx Brothers and their films. (The title itself is a Marx-like pun on the dual ideas of a "foreign hand" and a style of neckwear known as a "four-in-hand tie.") In 1936, he was one of a number of performers and celebrities to appear as caricatures in the Walt Disney Production of "Mickey's Polo Team". Harpo was part of a team of polo-playing movie stars which included Charlie Chaplin and Laurel and Hardy. His mount was an ostrich. Walt