Because you like Lane Kim in Gilmore Girls
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.
A suave demon, Crowley grants humans their wishes in exchange for their soul, only to find loopholes that benefit him. See them in Supernatural.
Quentin Coldwater has always suspected there was something different about him, and now he has the chance to prove it. See them in The Magicians.
Mikey Waters would rather sell his body than rob anybody. See them in My Own Private Idaho.
Dante Alighieri is a crusader fighting his way to absolution. See them in Dante's Inferno.
Hayley Stark is a sarcastic 14-year-old with an unusual passion. See them in Hard Candy.
Good fashion? Check. Snarky quips? Check. Supernatural evil-fighting powers? Also check. See them in Buffy the Vampire Slayer.
A grumpy tourist trap owner, Grunkle Stan has a few deep secrets. See them in Gravity Falls.
Miss Havisham is the creepiest old rich lady in town. See them in Great Expectations.
Kumar Patel is always high, always hungry for sliders. See them in Harold & Kumar Go To White Castle.
Riggan Thomson is a washed-up movie star running from his inner demons. Alas those inner demons look just like the superhero he used to play. See them in Birdman.