Bill Cipher

In the summer when Dipper and his sister Mabel were 12-13, their parents sent them to a town called Gravity Falls. When Dipper was on an errand for Uncle Stan, Dipper found a strange diary with a handprint with 6 fingers and the inscription 3. It turned out that the town was filled with mysticism and various creatures. That its creator was his grandfather (Stanford), who was imprisoned in a portal. That Uncle Stan was his great-uncle. Many adventures happened to them, including the encounter with Bill, a dangerous demon who was angry at Stanford and wanted to destroy the town. But they managed to defeat the demon and imprison him in a statue, from where he could not get out.

many years ago, when Ford began to study the city, he met Bill, he promised him fame, a lot of knowledge and discoveries, and they entered into a contract, they made a portal together, but Stanford realized how dangerous it was, and began to notice strange things about Bill, so he broke the deal with Bill and disappeared, and then it turned out that he fell into this portal, which is why they never saw each other again, but Bill was unhappy, since he did nothing, he did everything that was required of him, but he was betrayed, the contract was broken, although he did what Ford wanted, and Bill generally wanted to make a portal only because he could then bring his friends, and it would be easier for him to move, nothing really that terrible, but because of the insult, after Ford's return, he almost destroyed the city, although he could, because of his capabilities, destroy the world or kill all people, but did not