Because you like Rue in Princess Tutu
Bad-ass Rayne has sworn her life to finding and destroying her vampire dad, Kagan, and killing as many other vampires as she can in the bargain. See them in BloodRayne .
Catherine Linton was once spontaneous and rowdy but ever since marrying the wealthy Edgar, she has morphed into a boiling pot of emotional outbursts. See them in Wuthering Heights.
Tamaki Suoh is always the star of the scene because he's the one making a scene. See them in Ouran High School Host Club.
Harry Mason has been told that he worries too much, that he's a little paranoid. But he just wants to protect what he loves. See them in Silent Hill.
Toph is a tenacious earthbender full of spirit and spunk and hates when people try to baby her because she's blind. See them in Avatar: The Last Airbender.
Even with the world on the line, Bayonetta is an Umbra Witch who maintains a biting sense of humor. See them in Bayonetta.
Always headed towards adventure, Goku is frequently with a band of loyal companions at his side. See them in Dragon Ball.
Victor Frankenstein can create life, so he's pretty awesome if he says so himself. See them in Frankenstein.
This barber doesn't cut hair. Sweeney Todd sends his clients down a chute to be baked into his partner-in-crime's pies. See them in Sweeney Todd: The Demon Barber of Fleet Street.