Sex symbol he's not. But there's something decidedly lovable about Seth Rogen. A perennial student at the Judd Apatow school of comedy, Rogen has a penchant for playing paunchy stoners and slackers. Now, the comedic actor has dropped the weight and upped his style IQ. (Exhibit A: Rogen at the "Monsters vs. Aliens" premiere in March, at left.) Browse through the actor's roles, from "Freaks and Geeks" to his latest flick, "Observe and Report," and talk about the actor here.