Because you like Peter Prentice in The Mindy Project

A meek schoolteacher, Mary Margaret Blanchard can't remember her past as a spirited, swashbuckling Snow White. See them in Once Upon a Time.

A compassionate medical student, Martha Jones has found a Doctor she can really look up to. See them in Doctor Who.

Rory Williams is a caring companion whose specialty is looking after others. See them in Doctor Who.

In charge of stocking the office's supply of cigarettes and liquor, Joan Holloway could run the whole company if they would let her. See them in Mad Men.

Samwell Tarly is a scholar, not a fighter. But that's not good for an aspiring member of the Night's Watch. See them in Game of Thrones.

Everything is fascinating to Octavia Blake who has been locked away for her entire life. See them in The 100.

Underneath his preening narcissist exterior, Schmidt is, well, still kind of a preening narcissist. But he has a good heart too. See them in New Girl.

Keren Walker is a socialite looking to avoid work, keep a constant buzz, and be as snarky as possible. See them in Will & Grace.

Catherine Linton was once spontaneous and rowdy but ever since marrying the wealthy Edgar, she has morphed into a boiling pot of emotional outbursts. See them in Wuthering Heights.

Don't ask the ruthless queen of the Tokyo underworld any questions unless you're fine with losing a limb. See them in Kill Bill vol. 1.

Celine's a spontaneous Parisian college student enjoying the night of her life. See them in Before Sunrise.

A suave proprietor of an upscale nightclub and gambling den, Rick Blaine is dealing with World War II and a broken heart. See them in Casablanca.