User blog comment:Sarahc1ph3r/gather round for bill cipher theories/@comment-33485711-20180313041612

BILL IS A BIRD... think about it

Evidence:

in last episode, there is a bird on the hand of bill statue

then when the scene is in Dipper and mabels room, the SAME BIRD IS ON THE WINDOWSILL also check this out: https://twitter.com/OregonParksDept/status/745737810104094720

prettttyy sure its run by alex hirsch himself, or a friend of his..