Mac is one of the owners of Paddy alongside his friends, Charlie and Dennis on It's Always Sunny in Philadelphia.  Mac is generally seen wearing t-shirts, often without sleeves, on account of being so proud of his phsyic.  Unfortunately it doesn't seem to work for the guy as most people see him as the jerk.  Personally, we love the guy.

Mac Quotes

Naked pics online? That's disgusting. On a website? There's so many of them though. Where? Which one?

Mac

Andrew Caine: And you are?
Mac: Vic Vinegar. Bodyguard. I don't shake hands, so don't even try.

It's Always Sunny Quotes

I gotta get my pump on.

Mac

Dee: Who slams a door?
Frank: Babies.
Dennis: That guy has some real growing up to do. Have some repect for Christ's sake... I am legend.