Charlie Day's comedic talent has garnered him a loyal following among critics and fans the world over.

Day currently stars as the hapless 'Charlie Kelly' on It's Always Sunny in Philadelphia. He also serves as writer and executive producer of the series, which he created in collaboration with friends Rob McElhenney and Glenn Howerton. Sunny is returning for its eighth season this fall on FX.

Before Sunny, Day had a recurring role on NBC's Third Watch and also had a lead role as ''Richie' in the FOX comedy Luis. He has also starred in the recent feature films Going the Distance and Horrible Bosses from New Line, and has a lead in the upcoming Guillermo del Toro film Pacific Rim.

Day began his acting career onstage. He performed for four years at the Williamstown Theatre Festival and went on to play the lead role in Dead End at the Huntington Theatre in Boston.

Day was born in the Bronx, New York, and grew up in Rhode Island. He currently lives in Los Angeles with his wife, Mary Elizabeth, and their son.