Thanks to The Book of Bill, we finally know what happened to Bill Cipher after the Pines family saved the day.For me, the series finale, "Weirdmageddon 3," boasts some scary Gravity Falls moments ...

Bill Cipher survived Weirdmageddon with the help of the Axolotl. Bill did destroy his home dimension, but it was likely an accident that he regrets. Ford and Bill's relationship was more genuine ...

Alex Hirsch talks about Bill Cipher, Summerween, Gravity Falls, and which character deserves a 50 Shades of Gray-style spinoff. The Book of Bill is out now.

Gravity Falls’ big villain, Bill Cipher, is getting his own book written by series creator, Alex Hirsch. And it’s for older readers! Out in July.