Because you like Klaus Heissler in American Dad!
Jessica Rabbit isn't bad. She's just drawn that way. See them in Who Framed Roger Rabbit.
Butters Stotch is a kind-hearted student who likes ladybugs, Charlie's Angels, art class, baby-back ribs, and Little Bunny Foo Foo. See them in South Park.
Give in to the dark side with vampire Lestat; it's more fun. See them in Interview with the Vampire: The Vampire Chronicles.
For Sly Cooper, stealing isn't just about the haul. It's also about the journey. See them in Sly Cooper.
Beautiful and artistic, Aria Montgomery follows her own path. See them in Pretty Little Liars.
Raphael is a short-fused hothead who loves a good fight and some tasty pizza. See them in Teenage Mutant Ninja Turtles.
There is never a dull moment with Jim Moriarty: expect booze and sing alongs in between all of the homicide. See them in Sherlock.
Egon Spengler prefers collecting spores, molds, and fungus to interacting with people. See them in Ghostbusters.
He's a get rich or die tryin' kind of raccoon. See them in Marvel Cinematic Universe.
Gotham's unhinged Clown Princess of Crime will call you puddin', then punch you in the face. See them in DC Extended Universe.
Mrs. Lovett is the proud purveyor of the worst, and most grisly, pies in London. See them in Sweeney Todd: The Demon Barber of Fleet Street.