It's Always Sunny in Philadelphia' costars Rob McElhenney and Kaitlin Olson, who are married in real life, say his ...

Costar Glenn Howerton, who lived with McElhenney, said Olson would suddenly be too drunk and need to stay over.

Kaitlin Olson and Rob McElhenney spoke with 'Variety' for a recent cover story, opening up about everything from their almost ...

Rob McElhenney shared how he and wife Kaitlin Olson are supporting Ryan Reynolds and Blake Lively amid the pair’s ongoing ...

Rob McElhenney, who co-owns a soccer team with Ryan Reynolds, said he and wife Kaitlin Olson are "trying to offer our support ...

High Potential star Kaitlin Olson opened up in a new interview about her husband Rob McElhenney's name change, and why the ...

Last month, family members who celebrated his birthday with McElhenney confided they, too, were interested in a name change.

Rob McElhenney shared how he and wife Kaitlin Olson are supporting Ryan Reynolds and Blake Lively amid the pair’s ongoing ...

Rob McElhenney shares why he's supporting Blake Lively and Ryan Reynolds amid Justin Baldoni's sexual harassment lawsuit and ...

We both are just trying to offer our support in any way that we can that doesn’t just simply add oxygen to the fire.” ...

In a profile interview from earlier today, It's Always Sunny in Philadelphia creator Rob McElhenney explained why he now goes by "Rob Mac." ...