Charlie Day’s unscripted laughter in a 2009 episode turned a simple courtroom scene into one of It's Always Sunny’s most ...

In It's Always Sunny in Philadelphia, Stewart played the part of Bonnie Kelly, who was the mum of Charlie Day’s character ...

Guillermo del Toro asked Charlie Day to write him into the story of It's Always Sunny in Philadelphia because he was a huge ...

But the largest, most literal Always Sunny Easter egg that Schumacker ... Once again, aviary attorney Charlie Kelly comes out ...