Because you like Rick Blaine in Casablanca

Big Boss is a disillusioned mercenary commander who wants to create a world for soldiers (and soldiers alone). See them in Metal Gear Series.

Joe West is overprotective and secretive when his children are involved. See them in DC Extended Universe.

Khan Noonien Singh is super strong, super smart, and out for revenge. He always seems to be two steps ahead of his enemies. See them in Star Trek Into Darkness.

David Nolan is a noble fairy tale prince with the heart of a hero, regardless of whether he can remember his past or not. See them in Once Upon a Time.

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

Armed guards, FBI agents, notorious serial killers – Hannibal Lecter has bested them all, with time to finish dessert afterwards. See them in The Silence of the Lambs.

Stuck in space, Ryan Stone will either make it back to Earth and have one hell of a story to tell. Or she will burn into the ether. See them in Gravity.

Henry Mills is an idealistic young boy with the heart of the truest believer. See them in Once Upon a Time.

Shaun is used to being lazy. And now, you're asking him to fight for his life? See them in Shaun of the Dead.

A secret smoker, Margot Tenenbaum has plenty more secrets where that came from. See them in The Royal Tenenbaums.

Aldous Snow is a rock star who plays hard and parties harder. See them in Get Him to the Greek.

Never shy about sharing what she thinks, Beatrice loves to make smart remarks and keep men on their toes. See them in Much Ado About Nothing.