Bill Cipher is a two-dimensional interdimensional dream demon from the now destroyed dimension. Formerly existent only in the Mindscape, Bill briefly succeeded in gaining access to the real world and a physical form. He had been running amok in Gravity Falls, Oregon since being summoned by Ford Pines over thirty years ago. Known for his mysterious demeanor and sadistic humor. He’s a complete psychopath who finds humor in destroying reality, messing with minds, and striking unfavorable deals.