Because you like George Costanza in Seinfeld

Joe Goldberg works at a local bookstore and charms most girls sock's off. He is also a serial killer, but no one is perfect! See them in You.

Maka is determined to collect and purify 99 Kishin eggs– human souls that have been corrupted by evil– and one witch soul. See them in Soul Eater.

Will Herondale is an emotionally distant bad boy with a secret. See them in Clockwork Angel .

An obsessive schoolgirl, Yuno has two sides to her personality, and both are equally unnerving. See them in The Future Diary.

While he might drive colleagues crazy with his antics, Jake Peralta cares about the Nine-Nine more than most things. Including personal hygiene. See them in Brooklyn Nine-Nine.

With a dangerous medical condition, Ignoring the rules makes him feel like he’s in control. See them in Five Feet Apart.

Given his ability to wrench street signs from the ground, Shizuo Heiwajima is a useful one to have in dangerous Ikekuburo. See them in Durarara!!.

Alex Russo desperately wants to keep her magic – after all, things are so much easier when you can just wave a wand. See them in Wizards of Waverly Place.

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 .

Prim and proper Allie Hamilton was raised to follow the rules. But she's got a fiery rebellious side too. See them in The Notebook.

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

Donna Carmichael is a free-spirited single mom and gracefully aging hippie. See them in Mamma Mia!.