User blog comment:PurplePenguin/The Grunkle Stan Mystery/@comment-142.134.66.78-20121208192614/@comment-67.54.173.224-20121226195819

Look, I'm one of the people thinking Stan's the author, and even I know that if someone's pointing a weird flashing object at you, ya wanna know what it is. But, yes, this does prove he's the author. I can tell by the way Stan was looking at it. PS, my FAV episode!