Zeppo Marx that "Herbie" was tagged with the name "Zippo" because he liked to do chinups and acrobatics, as the chimp did in its act. The youngest brother objected to this nickname, and it was altered to "Zeppo". In a TV Interview, Zeppo said that Zep is Italian-American slang for baby and as Zeppo was the youngest or baby Marx Brother he was called Zeppo. Zeppo replaced brother Gummo in the Marx Brothers stage act when the latter joined the army in 1918. Zeppo remained with the team and appeared in their successes in vaudeville, on Broadway and the first five Marx
Marx Brothers one day after heart surgery. In 1966 Filmation produced a pilot for a Marx Brothers cartoon. Groucho's voice was supplied by Pat Harrington Jr. and other voices were done by Ted Knight and Joe Besser. In 1970, the four Marx Brothers had a brief reunion of sorts in the animated ABC television special "The Mad, Mad, Mad Comedians", produced by Rankin-Bass animation (of "Rudolph the Red-Nosed Reindeer" fame). The special featured animated reworkings of various famous comedians' acts, including W. C. Fields, Jack Benny, George Burns, Henny Youngman, the Smothers Brothers, Flip Wilson, Phyllis Diller, Jack E. Leonard, George Jessel