She is the voice of Marcel the Shell, which became an internet sensation a few years ago. Jenny, unfortunately, dropped the f-bomb in her first SNL sketch back in 2009. She lasted only one season at SNL. But last year, she starred in Obvious Child, which was well-received. Slate also appeared occasionally on Parks and Recreation as the weirdly sexy and unhinged sister of rich moron Jean-Ralphio Saperstein.