Rob McElhenney has chosen to go by Rob Mac publicly, and Kaitlin Olson reveals how she feels about this change.

Rob McElhenney’s new last name has high potential. But for his wife and “It’s Always Sunny in Philadelphia” co-star, Kaitlin ...

"I'm legally Olson McElhenney, but I go by Olson, so I don't really have to change anything," she tells PEOPLE of her husband ...

Kaitlin Olson opened up about her family's reaction to spouse Rob McElhenney’s name change, saying their kids didn’t take the ...

Rob McElhenney and his wife Kaitlin Olson debunk cheating rumors with humor, proving their 17-year marriage remains strong.

Kaitlin Olson and Rob McElhenney' s two children are "not happy" with their dad after he legally changed his name. The It's ...

At the time, McElhenney's wife, actress Kaitlin Olson, 49, shared that the couple's two kids — Axel, 14, and Leo, 13 — were ...

Rob Mac signed documents to legally change his name on June 26, shortening it from Rob McElhenney. The It's Always Sunny in ...

Rob McElhenney's wife, Kaitlin Olson, ... At the time, McElhenney's wife, actress Kaitlin Olson, 49, shared that the couple's two kids — Axel, 14, and Leo, 13 — were not happy about the change.

Rob McElhenney is tired of having so many syllables in his last name. He filed legal documents in Los Angeles to officially ...