Because you like Catherine Tramell in Basic Instinct
John Yossarian is trapped in irony as he must be insane to leave the war but if he does try to leave, he'll be deemed sane and will be forced to stay, See them in Catch-22.
Nadia Vulvokov is a no-nonsense broad with a dark sense of humor and a flippant attitude. See them in Russian Doll.
It turns out the girl of your dreams just might have dreams of her own. See them in (500) Days of Summer.
Maurice Moss is a dedicated IT guy who even talks like a computer. See them in The IT Crowd.
A suave demon, Crowley grants humans their wishes in exchange for their soul, only to find loopholes that benefit him. See them in Supernatural.
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.
It's hard enough fighting a war. But it's worse for Commander Shepard, knowing no matter how hard you try, you can't save them all. See them in Mass Effect.
The only thing Albert Wesker cares about is turning himself into a God. See them in Resident Evil Series.
Meat Boy tenaciously throws himself into danger, and when he fails, he immediately gets back up and tries again. See them in Super Meat Boy.
For the sake of science, Kurisu Makise will persevere no matter how deep into the dark secrets of the world she finds herself. See them in Steins;Gate.
Once a loving family man, James Heller is now dark, damaged, and hell-bent on getting revenge. See them in Prototype Series.