Bill Cipher (voiced by Alex Hirsch) - Bill Cipher is a powerful demon that can be summoned and released into a person's mind. He is a one-eyed, yellow, triangular pyramid with a top hat and a bow tie, superficially similar to the Eye of Providence. Bill first appeared physically in "Dreamscaperers;" however, many references to him had been hidden in previous episodes as images or sentences that flashed across the screen. He has a snappy sense of humor but loses his temper quite easily due to impatience. In "Dreamscaperers," Li'l Gideon summons Bill as an attempt to steal Stan's deed to the Mystery Shack. The two of them make a deal that if Bill goes into Stan's mind and steals the combination to the safe where the deed is hidden, Gideon will eventually have to help Bill with his mysterious plans. He seems to have the abilities to read people's minds and memories, shift forms, decipher codes, and shoot lasers from his eye and fingers. Bill claims he could use Soos, Dipper, and Mabel against the "darkness coming". In the episode "Sock Opera" he tricks Dipper into making a deal with him, and briefly possesses Dipper's body. His name may be either a pun on the Beale ciphers, or a reference to the Eye of Providence that appears on the dollar bill.

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100% Ringspun Cotton,