Because you like The Terminator in The Terminator

There are certain souls the surprisingly sensitive Death would rather not reap. See them in The Book Thief.

Butters Stotch is a kind-hearted student who likes ladybugs, Charlie's Angels, art class, baby-back ribs, and Little Bunny Foo Foo. See them in South Park.

His murderous megalomania aside, Loki is quite charming. Just don't mention his strapping older brother; he's a tad jealous. See them in Marvel Cinematic Universe.

Frank Reynolds is too gross even for the prostitutes he hires. See them in It's Always Sunny in Philadelphia .

Matilda Wormwood is so smart, she taught herself how to be psychic. See them in Matilda.

Regina George is teen royalty. And anything the queen bee says, goes. See them in Mean Girls.

A legendary warrior with a complicated relationship to the truth, Jaime Lannister is revered and reviled in equal measure See them in Game of Thrones.

Socialite-turned-runaway-turned-waitress, Rachel Green is the legendary story of riches to rags, trying to work her way up again with the help of her friends. See them in Friends.

John Watson is haunted by his past (who isn't) but he's starting to branch out with some help from a world class detective. See them in Sherlock.

Whatever Sakura Haruno lacks in power, she makes up for in intelligence and bravery. See them in Naruto.