Jim Rash, 'Community'

Reno 911! (tv program)That '70s Show (tv program)
You know him as: Dean Craig Pelton Why we like him: Sure, he's an Oscar winner (for co-writing "The Descendants"), but he's still underrated as a performer. From his constant wardrobe changes to his unrequited crush on Jeff Winger, there's nothing not to love about the Dean. And no one else... NBC