Selena Gomez‘s Saturday Night Live hosting debut last weekend (May 14).Martin, who stars alongside Gomez in the TV series Only Murders In The Building, appeared in a documentary sketch about the inventor of the whoopie cushion, Archie Gizmo.In the clip, the 15-time SNL host is seen playing Gizmo, detailing his days as a “struggling gag inventor” in the ’60s with a prototype of the cushion. “I knew it would be funny to have your boss sit down and a noise come from his butt, but I just couldn’t figure out what noise,” Martin says.“I couldn’t crack it,” he continues, “then, I met her.” The sketch introduces Aidy Bryant as Dina Beans, Archie’s wife and muse.