Because you like Will Turner in Pirates of the Caribbean: the Curse of the Black Pearl
A vain and arrogant womanizer, Roy Mustang has hidden depths. See them in Fullmetal Alchemist.
If Lisbeth Salander can hurt a bastard who deserves it by digging up stuff about him, she feels good. See them in The Girl with the Dragon Tattoo.
Though cynical about the world, Shuya Nanahara is caring and protective towards his friends. See them in Battle Royale.
Kathryn Merteuil may be a vain sociopath, but you won't be able to look away. See them in Cruel Intentions.
Cher Horowitz may have a problem with hubris, but she looks utterly fabulous while learning a lesson about the dangers of meddling. See them in Clueless.
Quirky and wildly imaginative, Amelie finds joy in the unnoticed things in life and aspires to bring happiness to all. See them in Amelie.
Sid Jenkins is the ultimate underachiever, but he doesn't mind. Well, he pretends he doesn't. See them in Skins.
Nozomu's name translates to despair, which is fitting for him. See them in Sayonara, Zetsubo Sensei.
NiGHTS is a powerful but childlike spirit who hates being told what to do. See them in NiGHTS into Dreams.
Stanley Barber is a loveable goofball with impeccable (if eccentric) fashion sense, unique music taste, and a wealth of strange but useful knowledge. See them in I Am Not Okay With This.
Bart Simpson is an aspiring juvenile delinquent who doesn't want you to have a cow, man! See them in The Simpsons.
Seth is short-tempered, crude, and terrible at school, but hopefully there's nothing an epic party can't fix. See them in Superbad.