Because you like Eric Northman in True Blood

Years of being a social outcast have taken a toll, but Elphaba is willing to be wicked if it means she can do good. See them in Wicked .

Samantha Jones is a try-sexual who'll try anything once. See them in Sex and the City.

Victor Frankenstein can create life, so he's pretty awesome if he says so himself. See them in Frankenstein.

Brilliant, violent, and only a little insane, the Joker doesn't listen to anyone except the voices in his head. See them in DC Extended Universe.

Raiden is an efficient soldier haunted by his repressed past. See them in Metal Gear Series.

Finn is the world's last human who's "all about" understanding right and wrong. See them in Adventure Time.

It’s usually the good-looking, charismatic, play-by-their-own-rules types that get everyone into trouble, and Tyler Durden is Exhibit A. See them in Fight Club.

Quinn Fabray can become a monster when there is something she wants. See them in Glee.

When their organization was infiltrated by evil HYDRA, who was the one guy Captain America trusted? A former soldier with kickass wings named Sam Wilson. See them in Marvel Cinematic Universe.

Gruff and efficient, Sam Fisher protects a nation that can never admit he exists. See them in Tom Clancy's Splinter Cell.