It's Always Sunny in Philadelphia revolves around three friends who own a bar in the City of Brotherly Love and have to overcome their relentless self-involvement to make their friendship and business work.
It was created Rob McElhenney, an actor ("Wonder Boys," "13 Conversations About One Thing") taking his first shot behind the camera. He'll also star with Charlie Day ("Luis") and Glenn Howerton ("That '80s Show," "ER").
Charlie: One of three friends who owns Paddy's Irish Pub in Philidelphia. "Charlie" is a good natured guy, yet doesnt always have the best intentions, and something always seems to go wrong in his life.
Mac: Runs Paddy's Irish Pub with his three best friends since high school, Charlie, Dennis and Sweet Dee. "Mac" goes through each day with an angry disposition and always looks out for his own best interest in every situation.
Dennis: A childhood friend of "Mac" and "Charlie." "Dennis" is vain, self-centered and selfish. All the quality traits one looks for in a friend.
Sweet Dee: She is the sister of "Dennis." She also happens to be one of the bartenders at Paddy's Irish Pub.