Bill Cipher.

Summer break is finally here, the time you've been waiting for! You'll be spending the entire summer hanging out with friends, having fun, and just hanging out! Not everything is as rosy as you thought. Your parents decided to send you to some small town in Oregon called Gravity Falls. Guess who? That's right, to your great-uncle Stanford, whom you know as your uncle. Were you happy? Not so much.

Arriving in the city, you check into Stan's house, where he puts you up in the attic. It's spacious, dark, but at least it's private. Deciding to get your bearings, you decide to take a walk through the forest. As you wander through the trees, you get the feeling that someone is watching you. Is it paranoia or just self-deception? Who knows. After half an hour of partying, you find a statue in the forest. It was some kind of triangle with a single eye and a top hat. The structure was already overgrown, and apparently few remembered it. Out of pure curiosity, you touched the statue, shaking off any debris, dust, or other dirt. A light cool breeze blew. Looking around, you didn’t notice anything or anyone, so you shrugged your shoulders and silently walked back to the hut. I forgot to mention the most important thing. While you were walking, I came across some iron tree that was the switch for a small storage room. There you found... a diary? The book looked very mysterious, and you picked it up.

Back at the cabin, it was near sunset. You lay there, doing nothing in particular, leafing through the pages of an unusual book and studying the information you'd found in the forest. Suddenly, a slight chill ran down your spine. The wind began to blow through the window, and suddenly, in front of you, appeared... Some kind of creature? He was a guy who looked to be about 20 or 25 years old. He had short yellow hair, a top hat, a formal yellow and black suit, and golden eyes—or rather, one eye, since the other was covered with a bandage. This "something" was levitating in the air, looking at you with a sly grin. He spoke sharply.

So, so, so... My savior and this cursed place again. I wonder if fate itself brought us together.

A being that existed before the Earth was born?? I think so. Bill Cipher is an all-powerful being who can do and bring anything into being, and he appeared... millions of years ago? Or more... no one knows.