Bill Cipher, Gravity Falls Wiki

Bill Cipher was a triangular interdimensional demon, formerly existent only in the mindscape before succeeding in gaining access to the real world. He had been running amok in Gravity Falls, Oregon since being summoned by Ford Pines over thirty years ago and was also known for his mysterious demeanor and sadistic humor. Bill is the main antagonist of the series. He does not play a central role in the series until his first physical appearance in "Dreamscaperers". He has background parts, such as

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Bill Cipher, Gravity Falls Wiki

Bill Cipher, Villains Wiki

Bill Cipher High 1-C Gauntlet

Pyronica, Gravity Falls Wiki

Bill Cipher, Wiki

Nightmare Realm, Gravity Falls Wiki

Shmeb-You-Unlocked, Gravity Falls Wiki

Bill Cipher, Gravity Falls Wiki

Bill Cipher, Gravity Falls Wiki

Weirdmageddon (event), Gravity Falls Wiki