Zeppo Marx. Herbert Manfred "Zeppo" Marx (1901 – 1979) was an American film star, theatrical agent and businessman. He was the youngest of the five Marx Brothers. He appeared in the first five Marx Brothers films, but then left the act to start his second career as a theatrical agent. DS. 1pp. 8 1/2" x3 1/2". Los Angeles. 3/5/74. A "Desert Sun" check signed by Zeppo Marx in dark blue ink. The comedian paid "Desert Sun....$7.50". The check is lightly punch cancelled. It is in fine condition overall.