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
Arthur Marx comedy "The Good Guys" and four episodes of the ill-fated "Life with Lucy". Marx was also co-creator of the TV series "Mickey" starring Mickey Rooney. Marx wrote both fiction (often humorous) and non-fiction (often show-biz related) pieces for magazines throughout his career. Along with Fisher, he co-authored the play "The Impossible Years", which ran for three seasons on Broadway and starred Alan King, and "Minnie's Boys", a musical about the Marx Brothers' vaudeville years that starred Shelley Winters. They also wrote "My Daughter's Rated X", which won the Straw Hat award for best new comedy on the summer stock circuit,