Bill Cipher (Gravity Falls)

Imagine pitting your quirky, reality-warping triangle, Bill Cipher, against the classic cartoon baddies in the 'Greatest Cartoon Villains of All Time' league. This guy turns villainy into an art form! Chaos, mind games, and that unsettling charm? Classic Bill. Fans obsess over decoding his every cryptic message, like it’s some kind of supernatural Sudoku. And let's be honest, if you're not rooting for Bill, you might just be the victim of his next mind trick. In the world of cartoon villains, he’s not just playing the game; he's changing the rules.