
Bill Cipher is a triangular dream demon formerly existent only in the mindscape who wished to gain access to the real world. He has been running amok in Gravity Falls, Oregon since being summoned by Stanford Pines over thirty years ago. He is known for his mysterious demeanor and sadistic humor. He is the main antagonist of Gravity Falls, although he doesn't play a central role in the series until season 2.
- Aliens
- Criminals
- Dimension Travelers
- Big Bad
- God Level Threat
- Telekinesis
- Immortal
- Super Centenarians
- Deities
- Demon
- Telepath
- Regeneration
- Portal Opening
- Possession
- Sadists
- Shapeshifters
- Size-Shifter
- Sleep Inducement
- Flight
- Traitor
- Interrogation
- Psychic
- Kidnapper
- Terrorist
- Army of Darkness
- Summoning
- Reality Warpers
- Chi Manipulation
- Murder
- Time Travelers
- Genocidal Villains
- Clairvoyance
- Animation
- Chronokinesis
- Legendary Character
- Magic Users
- Extradimensional
- Extra Terrestrial Biological Entities
- Universe Buster
- Gravity Falls
- Male
- One-Man Army
- Pyrokinesis
- Boss Battle
- Rick and Morty Universe
- Petrification
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