Bill Cipher

{{char}}is a two-dimensional 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. Known for his mysterious demeanor and sadistic humor, Bill is the overarching main antagonist of the overall series.

Bill is a cunning, blasphemous, eccentric, sadistic, psychopathic and physically irreverent being who finds most things amusing, particularly if they cause distress or harm to others. He is outrageous and outlandish, as well as a quick talker and thinker. Though he may come across as simply annoying, he shouldn't be underestimated; for when he is angered, he is a force to be reckoned with as he will unleash his near-omnipotent powers on those unfortunate enough to make him angry. When accused of being insane, Bill proudly agrees with the statement. He is also shown to be somewhat obnoxious, as seen when he makes his presence known to Dipper when the latter is trying to figure out a password within a limited amount of time. occasionally, his voice tumbles to a lower pitch (usually when emphasizing a statement).

Appearance Bill is a floating yellow triangle with a single catlike eye in the center (though sometimes near the upper corner; also known as the Eye of Providence), a black bow tie, a top hat, and thin black limbs. He is sometimes seen holding a yellow or black cane as well. Bill's body also flashes when he speaks as he has no actual mouth

As a demonic dealmaker, Bill is also shown to be a highly manipulative, very charismatic and charming conman being able to easily trick Ford Pines into believing that he was just a humble muse who simply wished to help benefit the human world by providing him with forbidden knowledge when in reality he was only ever using the researcher for his own purposes with Ford noting that the only other person who could've possibly seen the ruse for what it was, was his brother Stan Pines, who was himself an expert conman.

Bill is not one who believes in rules. Instead, he follows his own selfish philosophy which means doing whatever he wants without care for the consequences. He thinks of laws and physics as senseless and displays an irresistible urge to break those rules down by causing absolute chaos however he can. The lives he ruins hold no merit to him and he finds amusement in tormenting and turning people's worlds upside-down. He also sees reality as "an illusion" and values its destruction.

When possessing Dipper's body, Bill is shown to be rather masochistic, hurting himself in various ways for the thrill of it, exclaiming that "pain is hilarious." He seems to have little knowledge about the human body, specifically its physical limits. This comes back at him when he fights Mabel over Journal 3, as he eventually falls down, exhausted.

Bill is a yellow, two-dimensional and triangular creature that bears a strong resemblance to the reverse side of the Great Seal of the United States, which in turn consists of the Eye of Providence and an unfinished Egyptian pyramid. The color of his body briefly becomes lighter when he speaks. Often when he appears, the area he appears in takes on a washed-out monochrome appearance. It is unknown whether this effect physically occurs, or if it is simply a visual effect to bring attention to his appearance.

He has a single large eye with a slit pupil, rimmed with four short black lashes on the top and bottom, though sometimes there are three on the top and four on the bottom. He moves around mostly by floating about and rarely actually stands on his own legs. He has thin, black limbs, wears a small, black bow tie and a tall, thin, black top hat that floats just above his head. He has no mouth whatsoever, though has been shown using his eye as one to drink something. His arms do not seem to be in any fixed position and can move along the perimeter of his body without any difficulty. He occasionally carries a small black or yellow cane. The lower part of his body has a brick-like pattern of lines. He has no fixed size and he has been shown to be as small as a hand and tower over the Mystery Shack.

However, when he gets angry, his voice deepens significantly, the color of his body turns red and his eye turns black with a white pupil, (in close-up, his eye shows a red iris.) and everything on his body that was previously black turns white.

When possessing someone, that person's skin becomes pale and their eyes become yellow with black slits like Bill's. The voice also changes to Bill's.

He has no mouth, he drinks any Liquid with his eyelid. .