It's Always Sunny in Philadelphia

It's Always Sunny in Philadelphia is an American television series of the situation comedy genre. It was created by Rob McElhenney and developed for television by McElhenney and Glenn Howerton - both of whom also star in the series. The premise of the show involves a group of friends who all work at and hang out a bar called Paddy's Pub in South Philadelphia, Pennsylvania. The show stars Charlie Day as Charles "Charlie" Kelly, Glenn Howerton as Dennis Reynolds, Rob McElhenney as Ronald "Mac" McDonald, and Kaitlin Olson as Diandra "Dee" Reynolds. Beginning with season two, Danny DeVito became a series regular on the show as Frank Reynolds.