Because you like Jason "J.D." Dean in Heathers

Don't worry about this forensic scientist offing you unless you're a serial killer yourself. (You're not, right? Just checking.) See them in Dexter.

Mikey Waters would rather sell his body than rob anybody. See them in My Own Private Idaho.

Sabriel is smart enough to understand the dangers that await her and brave enough to face them anyway. See them in Abhorsen Series.

Genetically and cybernetically enhanced, Gamora was trained from birth to be one of the deadliest women in the galaxy. See them in Marvel Cinematic Universe.

For Scout Finch, growing up means learning the world is a more complicated place than you once thought. See them in To Kill a Mockingbird.

Jacob Black is the boy next door who's also the wolf next door. See them in Twilight.

Light Yagami has a plan to make a better world, and morals won't stop him. See them in Death Note.

Summer Roberts is privileged and preppy but also surprisingly open-minded and fiercely loyal. See them in The O.C..

There must be quite a lot of fellows who haven't got anybody to bring them tea in the morning. Bertie Wooster is lucky to have his valet, Jeeves. See them in Jeeves and Wooster.

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

Lyra Belacqua is prone to getting in trouble, but she's also clever enough to get out of it. Most of the time. See them in The Golden Compass.

Closing off her emotions makes Lightning a great fighter, but at what personal cost? See them in Final Fantasy Series.