Because you like Jenny Flint in Doctor Who

Her unhappy childhood has left her unsure of the existence of happy endings. Mary Jane Watson hides her pain beneath a joke and a smile. See them in Marvel Cinematic Universe.

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.

Pro tip: the psych ward is not the best place to find a mentor like Lisa Rowe. See them in Girl, Interrupted.

He's a troubled insomniac in search of a moment to rest and a meaning to his existence. See them in Fight Club.

Vash might act like a carefree, peace-loving goof, but it's not wise to underestimate this "Humanoid Typhoon." See them in Trigun.

Living with a curse, Kyo Sohma is sick of being treated like garbage his whole life. See them in Fruits Basket.

Rue is an icy prima ballerina whose obsession with perfection obscures a hidden desire to be loved. See them in Princess Tutu.

Christian Grey is just as controlling in the bedroom as the boardroom. See them in Fifty Shades of Grey.

Eleanor puts up a tough front, even when everyone else tries to tear her down. See them in Eleanor and Park .

After surviving consecutive fights-to-the-death (damn you, President Snow!), Katniss Everdeen is thrust to the front lines of a real war. See them in The Hunger Games .

Tony Stark's interests include cocktails, beautiful women, particle physics, and saving the world. See them in Marvel Cinematic Universe.