Because you like Cora Crawley in Downton Abbey

Chaos is what killed the dinosaurs, and there's nothing Jason "J.D." Dean loves more than chaos. See them in Heathers.

Walter White's knowledge of chemistry allows him to cook astoundingly pure meth, leading to a rapid – albeit tumultuous – rise in the criminal drug world. See them in Breaking Bad.

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.

Leonidas is not the kind of king who merely gives orders; rather, he's out on the battlefield fighting alongside his men. See them in 300.

A Hollywood starlet with a vindictive streak, Madison Montgomery is one witch that you shouldn't cross. See them in American Horror Story.

If Lisbeth Salander can hurt a bastard who deserves it by digging up stuff about him, she feels good. See them in The Girl with the Dragon Tattoo.

A benevolent madman with a blue box, The Doctor is traveling through time and space to heal the wounds of the universe. See them in Doctor Who.

Severus Snape is a misanthropic potions teacher with a vindictive streak. See them in Harry Potter Series.

John Watson is haunted by his past (who isn't) but he's starting to branch out with some help from a world class detective. See them in Sherlock.

While Jay Gatsby doesn't necessarily like to attend his parties, he knows how to throw a world-class bash. See them in The Great Gatsby.

Amy Santiago likes following the rules a little too much. See them in Brooklyn Nine-Nine.

Billionaire playboy by day and vigilante archer by night, Oliver Queen aims to rid Starling City of crime and atone for his past mistakes. See them in DC Extended Universe.