Where there is light, there must be darkness; therefore, for every hero, there is a villain. In some cases, the villain is dwelling within the hero... The best two-for-one ever!
Just ask Sukuna from Jujutsu Kaisen, who seems to be having a great time. Take a look at the illustrations we've found for you featuring villains! Sure, they're bad, but that's what we like about them, you know?