It's Always Sunny in Philadelphia is an American sitcom created by Rob McElhenney and co-developed by Glenn Howerton for FX. It premiered on August 4, 2005, and stars Charlie Day, Howerton, McElhenney, Kaitlin Olson, and Danny DeVito. From Wikipedia
Kaitlin Olson and their sons express disapproval over McElhenney’s consideration to legally adopt the surname 'Mac' for global branding purposes.
