Because you like The Wicked Witch of the West in The Wizard of Oz

Sabriel is smart enough to understand the dangers that await her and brave enough to face them anyway. See them in Abhorsen Series.

Mikey Waters would rather sell his body than rob anybody. See them in My Own Private Idaho.

With most of the people that Sango loved now gone, the only thing she wants is to kill the demon who destroyed her village. See them in Inuyasha.

Irene Adler has to use both her brains and her body to survive. Luckily, she's usually the most brilliant person in the room. See them in Sherlock.

An undercover DEA agent, Max Payne is too focused on avenging the past to plan for the future. See them in Max Payne.

Rose Tyler may have not done too well in school, but she's certainly holding her own in space. See them in Doctor Who.

How is angel Aziraphale supposed to stop the apocalypse when Hell's forces misplaced the Antichrist somewhere? See them in Good Omens: The Nice and Accurate Prophecies of Agnes Nutter, Witch.

There is never a dull moment with Jim Moriarty: expect booze and sing alongs in between all of the homicide. See them in Sherlock.

Romantic, tortured, and at times cruel, Heathcliff is an intense man. See them in Wuthering Heights.