Dennis ReynoldsPlayed by: Glenn Howerton
Dennis Reynolds is one of the owners of Paddy's in Always Sunny in Phildelphia. Dennis owns the bar along with his childhood friends Mac and Charlie. Dennis comes from a very privileged upbring thanks to his rich father Frank. He definitely peaked in high school where he was considered popular. Despite graduating from the University of Pennsylvania, he seems content to run Paddy's his whole life.
Charlie: It means to have the brains of a donkey or a donkey-type creature.
Dennis: Yeah, yeah, yeah. I think I know what it means, guy.