Kaitlin Olson and Rob McElhenney are parents to two children, sons Axel and Leo. Here's everything to know about Kaitlin ...

Want the SparkNotes version of the long-running sitcom about the Paddy’s Pub gang? Here's your guide to all things "Sunny." ...

Fans of It’s Always Sunny in Philadelphia, Welcome to Wrexham, and Mythic Quest may be surprised to know he had a cameo in ...

While McElhenney stands by his decision, Olson told Variety in May that their sons “are really not happy about it, because they have that last name.” “And so do I, legally!” she added.