Bill Cipher is the main antagonist of the Disney XD series, Gravity Falls. He is a immensly powerful dream demon from the 2nd dimension who means to bring about the end of the world by opening a rift between his Nightmare Realm and the real world. He also has mysterious motives and a vendetta against the Pines Family, specifically Stanford.
- He will Return as The Guest of Banland Empire (Just a GUEST).
- He Is one of the Two Main Antagonists in Silverlay's Adventure Sereis (as a guest).