Because you like Galina Reznikov in Orange Is The New Black
Brilliant, violent, and only a little insane, the Joker doesn't listen to anyone except the voices in his head. See them in DC Extended Universe.
A fun-loving jokester, Alistair isn't ready for the responsibilities he faces. See them in Dragon Age Series.
He may be one of the Four Horsemen of the Apocalypse, but War still maintains a strong sense of honor. See them in Darksiders Series.
It doesn't matter how noble or brave he is. Jon Snow is a bastard, and people don't let him forget it. See them in Game of Thrones.
Norma Bates may look like a harmless housewife, but don't let that fool you. See them in Bates Motel.
Saul Goodman can get just about any lying crook off the hook in court. Well, as long as he can make a buck out of it. See them in Breaking Bad.
Christian is a romantic who for some reason won't stop singing everything he feels. See them in Moulin Rouge.
Hannah Horvath is kind of a mess, but she owns her messiness in a way few people do. See them in Girls.
Roger Kint is a nervous, weak, ham-handed criminal. We think. See them in The Usual Suspects.
A superpowered test subject, Scarlet Witch can manipulate other people's thoughts and force them to confront their worst fears. See them in Marvel Cinematic Universe.
Nadine Franklin likes to wallow in her misery almost as much as she likes to torment her mother. See them in The Edge of Seventeen.