Because you like Penelope Garcia in Criminal Minds
Django was once a slave. Now that he has a taste of freedom, he understandably wants a full meal. See them in Django Unchained.
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.
Rose Hathaway is a reckless, rebellious smartass who's training to be a royal vampire guardian. See them in Vampire Academy.
Fiercely independent and extremely hot-blooded, Ryuko Matoi prefers to work alone. See them in Kill la Kill.
An exuberant prankster, Naruto Uzumaki craves acknowledgement of any kind. See them in Naruto.
Dante Alighieri is a crusader fighting his way to absolution. See them in Dante's Inferno.
Years of brutal winters, foreign invasions, and crippling loneliness have left Russia's mental state far from wholly intact. See them in Axis Powers Hetalia.
An underdog with nothing left to lose, Donnie Creed has everything to prove. See them in Creed.
Konata Izumi has a live-now, worry-later view of the world. See them in Lucky Star.
Imperator Furiosa is a badass patriarchy toppler. She'll do anything to secure a better, freer future for the women she cares for. See them in Mad Max: Fury Road.