Always Sunny's Glenn Howerton Weighs in on Dennis Serial Killer Fan Theory

Glenn Howerton Almost Quit ‘It’s Always Sunny’ Over Fears The Show “Peaked”

After 20 years of running Paddy’s Pub with the gang, Glenn Howerton has had his share of anxiety about being part of the longest-running live-action comedy series in the US. The actor, who plays toxic narcissist Dennis Reynolds, admitted he was worried It’s Always Sunny in Philadelphia would “wear out our welcome” around the time Season 12 of the FXX comedy went into production in 2016. “I was worried that maybe, we had sort of peaked or som…

'It's Always Sunny' star Glenn Howerton says he wanted to quit after season 11 over fear the show had 'peaked'

As the longest-running live-action sitcom in TV history heads into its 18th season, star Glenn Howerton shares why he almost quit after season 11.

Always Sunny's Glenn Howerton Weighs in on Dennis Serial Killer Fan Theory

After 20 years, Glenn Howerton is finally weighing in on the It’s Always Sunny in Philadelphia fan theory that his character, Dennis Reynolds, is a serial killer. “Look, I don’t want to answer that question definitively, but I don’t think he is,” Howerton, 49, exclusively told Us Weekly at the PaleyLive: It’s Always Sunny in Philadelphia 20th Anniversary Celebration on Tuesday, July 1. “In my mind he’s not. In my mind he’s just delusional.” The …