Because you like Oskar Schindler in Schindler's List

Twisted and seemingly soulless, Bellatrix Lestrange finds joy in making others suffer. See them in Harry Potter Series.

Spike is punk meets vampire meets romantic poet. See them in Buffy the Vampire Slayer.

Just a hint of human emotion lurks under the enigmatic exterior of Rei Ayanami. See them in Neon Genesis Evangelion.

The Hastings family is old and powerful, and Spencer will do anything to continue excelling. See them in Pretty Little Liars.

A vampire hunter, Integra Hellsing doesn't tolerate failure, least of all her own. See them in Hellsing.

For Dana Scully, sometimes looking for extreme possibilities makes you blind to the probable explanation right in front of you. See them in The X-Files.

It's time somebody has to take over. It might as well be Fish Mooney. See them in Gotham.

James T. Kirk is more than ready to face the final frontier. See them in Star Trek.

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

With an A.I. as loyal and witty as Cortana, who needs humans? See them in Halo.

Although Mako Mori may be small and quiet, she is a core of battle-hardened steel. See them in Pacific Rim.

Sylar's victims are found all over the country, many with their brains removed. See them in Heroes.