After returning to New York, Martling became the singer and guitarist in The Off-Hour Rockers with guitarist Chris Bates and keyboardist Herbie Werner, with whom incorporated jokes, banjos, and the kazoo in their sets. He also performed solo shows and told jokes during his act. In order to accommodate the band's gear, Martling drove a used hearse. Martling took stand-up comedy more seriously when, in 1976, he attended an open-mic night at Catch a Rising Star comedy club in New York City. "The auditioner bailed out early and the MC wasn't in the room, so I jumped on stage and told a joke, one that I was sure the entire world knew. The MC, David Sayh, came back in the room and saw me up there but let me finish". Sayh encouraged Martling to continue performing as a joke teller, and soon found out that "few people knew any of the zillions of jokes I knew".