Because you like Klaus Baudelaire in Lemony Snicket's A Series of Unfortunate Events

The vampire that killed Zero Kiryu's family also infected him, and he starts to crave blood, much to his horror. See them in Vampire Knight.

Gollum is slimy and seething with hatred, the last person you would want to meet in a dark cave. See them in The Lord of the Rings.

People think that because Tris is small, or a girl, or a Stiff, she can't possibly be cruel. But they're wrong. See them in Divergent.

Clary Fray's philosophy: dive into the supernatural underworld first and ask questions later. See them in City of Bones.

An infamous vampire, Alucard is a one-man killing machine with a philosophical side. See them in Hellsing.

Melinda May is a woman of few words and many talents. Most of them martial. See them in Marvel Cinematic Universe.

Vengeance is William Wallace’s game. With his father, brother, and wife killed by the English, he slaughters the garrison and sacks cities. See them in Braveheart.

She got locked up so her husband could make it big, but now Cookie Lyon is coming for what's hers. See them in Empire.

Hans Landa doesn't seem to have issues with Jews, but he hunts them because he's determined to do his job well. See them in Inglourious Basterds.

Sterling Archer is a fun-loving, car-driving spy extraordinaire. But one can tell his mother didn't hug him as a child. See them in Archer.

Raised to happily follow the rules, Cassia might actually be more rebellious than she thinks she is. See them in Matched .

An assassin with supernatural gifts, Corvo Attano is the last guy you should frame for murder. See them in Dishonored.