Because you like Beetlejuice in Beetlejuice
The destroyer, Drax lives for one thing and one thing only: revenge. See them in Marvel Cinematic Universe.
A stylish agent, Agent J would rather improvise than play by the rules. See them in Men in Black.
An opinionated pothead with a passion for conspiracy theories, Steven Hyde is secretly more sensitive than he lets on. See them in That '70s Show.
Green skin, pointy hat, evil cackle—this villain has it all! See them in The Wizard of Oz.
Jessica Rabbit isn't bad. She's just drawn that way. See them in Who Framed Roger Rabbit.
Megamind is searching for purpose in a supervillain life without a superhero to fight. See them in Megamind.
Morticia Addams hates anything bright and cheery and loves all things ghoulish, ghastly, and violent. See them in The Addams Family.
Gene Belcher dreams of a future in the limelight, and he doesn't let his lack of talent hold him back. See them in Bob's Burgers.