Age: 38
Occupation: Comedian, actress
Previous TIME 100 Appearances: 0
Tina Fey may have received more kudos for her impersonation of Sarah Palin on SNL, but during the 2008 presidential election, the indispensable role of Hillary Clinton fell to Poehler. Having achieved success on the big screen (Baby Mama), she's now drawing an increasing number of fans to her new show, Parks and Recreation, in which she plays a small-town Hillary wannabe.