Question: mac from it 's always sunny in philadelphia
Answer: Rob McElhenney

title: Mac (It's Always Sunny in Philadelphia)
text: Mac (It's Always Sunny in Philadelphia) Ronald "Mac" McDonald is a fictional character on the FX series "It's Always Sunny in Philadelphia". Mac is Charlie Kelly's childhood friend and Dennis Reynolds's high school friend and later roommate. Mac is a co-owner of Paddy's, the self-proclaimed "Sheriff of Paddy's," and is generally the pub's most active manager. Mac is played by Rob McElhenney. Mac frequently uses his signature line, "What's up, bitches?" throughout the series. In many episodes, Mac will enter the bar announcing "I've got news" or a variation of the phrase, to set the episode's plot in motion. The