Thread:Yufery5/@comment-27101167-20151024212859

Basically, though dark magic, Gideon Gleeful puts the soul of the dead Bill Cipher (Who is human. He was basically Al Capone mixed in with demon cult. Ford was one of his lieutenants) The personality of "Bipper" is entirely different to Bill's original personality, and only connection is that he responds to his name. Now when Dipper gets stressed, "Bill" slowly starts to take over. When that happens, he acts like a Mafia leader, and that includes how he dresses. 