Because you like Vizzini in The Princess Bride

Puss In Boots is a suave, honorable ladies man/cat who's not above playing cute to get you to let down your guard. See them in Shrek 2.

A premier member of the leather cat-suit club, Selene can chill you with a stony look, or ice you with her ninja moves. See them in Underworld.

A Haddock always has a trick up his sleeve! Tintin is lucky to have Captain Haddock as a companion to search for hidden treasure on an adventure around the world. See them in The Adventures of Tintin.

Sandy Olsen is out of her head, hopelessly devoted to Danny. See them in Grease.

Talented but anxious, Shinji Ikari struggles to bear the challenges that life hands him. See them in Neon Genesis Evangelion.

R is sweet for a zombie. See them in Warm Bodies.

A responsible kid, Hugo Cabret is still capable of flights of fancy. See them in Hugo.

Bedside manner is for chumps, not the brilliant Dr. Gregory House. See them in House M.D..

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

Fun and feisty on the outside, Meredith Grey is dark and twisty on the inside. See them in Grey's Anatomy.

A tough tomboy with a protective streak, Maximum Ride is a human-bird hybrid. See them in Maximum Ride.

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