Because you like Buddy in Elf

The son of Death has an obsession with perfection and symmetry. See them in Soul Eater.

L is enigmatic, child-like, and one of the smartest people in the world. See them in Death Note.

Rose Hathaway is a reckless, rebellious smartass who's training to be a royal vampire guardian. See them in Vampire Academy.

An aloof punk rock goddess, Nana Osaki has a surprisingly big heart. See them in Nana.

Norma Bates may look like a harmless housewife, but don't let that fool you. See them in Bates Motel.

Did he ever tell you the definition of insanity? Just wait, and this psychopath will do just that. See them in Far Cry 3.

Pro: Johan Liebert is handsome and charming. Con: he's also a sociopathic killer. See them in Monster (TV Show).

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.

Armin Arlert was wrong. This world hasn't become hell; it's been hell. He just couldn't see it before. See them in Attack on Titan.

Other people's opinions have never mattered much to Haruka Nanase, and they aren't going to start to do so now. See them in Free! Iwatobi Swim Club.