It's Always Sunny in Philadelphia': Fans Will Never Believe Who Charlie Day's Wife Is

Charlie Day is a fan-favorite from 'It's Always Sunny in Philadelphia.' Fans of the show will never guess who his wife is in real life.

Charlie Day on 'Fool's Paradise,' Using 'It's Always Sunny' Co-Stars – The Hollywood Reporter

Kaitlin Olson and Rob McElhenney's Relationship - Parade

It's Always Sunny in Philadelphia: Season 8 [Blu-ray] : Charlie Day, Rob McElhenney, Glenn Howerton, Kaitlin Olson, Danny De Vito: Movies & TV

It's Always Sunny in Philadelphia' Re-Created an Iconic 'Seinfeld' Scene (VIDEO)

Charlie Day's Relationship With Mary Elizabeth Ellis Is As Strange As Something From Its Always Sunny In Philadelphia

The One Thing Charlie Day Thinks People Get Wrong About 'It's Always Sunny in Philadelphia

Review: It's Always Sunny in Philadelphia, “The Gang Inflates” and “Frank Shoots Every Member of the Gang”

Always Sunny' Fun Facts

Rob McElhenney: 'I was fuelled by privilege, ignorance and testosterone', Television

The Aaron Paul and Bryan Cranston Cameos Need to End After 'It's Always Sunny