Rob McElhenney

 plays "Ian Grimm" on Mythic Quest: Raven's Banquet — and is also one of the creators, writers and executive producers on the show.

He is undoubtedly best known for his long association with the series It's Always Sunny in Philadelphia on which he plays Mac, and is a major force behind the scenes.

External link

 * w:c:itsalwayssunny: at the It's Always Sunny in Philadelphia Wiki