Board Thread:General Discussion/@comment-4854965-20160209020038/@comment-2232235-20160210014628

RuzukiMay wrote: HardWorkingGirlonTheGo wrote: I think Dipper's real name is Mason, because it has the same two letters as Mabel, and it sounds similar as well. Mason is the most probable Ive heard so far. Mason...Freemason...Illuminati...BILL! Nachos!

It all makes sense now.