'It's Always Sunny' stars welcome baby boy
Axel is Kaitlin Olson and Rob McElhenney's first child"It's Always Sunny in Philadelphia" stars Kaitlin Olson and Rob McElhenney welcomed a baby boy.
Axel Lee McElhenny was born at the couple's home Wednesday afternoon. He is their first child.
Olson and McElhenney met on the FX comedy.