Because you like Jean-Baptiste Emanuel Zorg in The Fifth Element
Anywhere there's adventure, Jaskier is there to write a catchy song about it. See them in The Witcher.
An assassin with supernatural gifts, Corvo Attano is the last guy you should frame for murder. See them in Dishonored.
Experiment 626 was designed for one thing: to destroy everything he touches. See them in Lilo & Stich.
Captain Spock is on a five-year mission exploring the final frontier and boldly going where no man has gone before. See them in Star Trek.
Southern belle Scarlett O'Hara is a heart-melter who has no problem looking after herself. See them in Gone with the Wind.
If this slick ad man doesn't like the conversation, he changes it—while drinking and smoking. See them in Mad Men.
Claire Standish is a popular, perfect princess who's deeper than she seems. See them in The Breakfast Club.
Charlie Bucket may be down-on-his-luck, but his spirits are always sky high. See them in Charlie and the Chocolate Factory.
Cosmo Kramer is an eccentric schemer whom you might know better as the "Assman." See them in Seinfeld.
An aristocrat-turned-tomb-raider, Lara Croft does her best thinking while plunging off cliffs. See them in Lara Croft: Tomb Raider.
Foul mouthed and disturbingly comfortable with violence, Hit-Girl is a precocious assassin who doesn't need anyone's protection. See them in Kick-Ass.