Because you like Robert Neville in I Am Legend

Louis de Pointe du Lac is wanting to find a way of living that doesn't make him miserable. See them in Interview with the Vampire: The Vampire Chronicles.

This power-hungry Time Lord calls himself the "master of all." Bonus: he has 13 lives. See them in Doctor Who.

World domination and Superman's demise are next on Lex Luthor's to-do list. See them in DC Extended Universe.

Combining an innocent face with an insatiable bloodlust, Eli recruits friends to join the vampire way of life. See them in Let the Right One In.

Although Morrigan knows every kind of magic there is, friendship is an untested area for her. See them in Dragon Age Series.

Leonard "Bones" McCoy is passionate, moral, and ready to stitch you back together. See them in Star Trek.

A ruthless militant, Raza will do anything to take down Tony Stark. See them in Marvel Cinematic Universe.

After being resurrected and discovering his new morphing abilities, Alex Mercer uses them to combat the virus now ravaging New York. See them in Prototype Series.

Jughead Jones loves burgers, his friends, and philosophizing with his unique brand of wisdom. See them in Archie Comics.

Thankfully, Jenna Hamilton has her sense of humor and friends to get her through the endless torture that is high school. See them in Awkward..

Moe Szyslak is the crabby owner of the grimiest bar in Springfield. See them in The Simpsons.