Because you like Yuki Cross in Vampire Knight

When the going gets tough, Rick Grimes gets tougher. It's a very useful trait when the world goes to hell. See them in The Walking Dead.

A debonair spy, Harry Hart is the epitome of a gentleman, even when he calmly takes down multiple men with a militarized umbrella. See them in Kingsman: The Secret Service.

Years of being a social outcast have taken a toll, but Elphaba is willing to be wicked if it means she can do good. See them in Wicked .

Leslie Burke is bold, courageous, and imaginative enough to create a world from scratch. See them in Bridge to Terabithia.

Aladdin is a street-thief who is on his way up. Way, way up! See them in Aladdin.

Stewie Griffin is just your average evil-genius, talking, sociopathic baby. See them in Family Guy.

The only thing standing between Rocky Balboa and glory is the person facing him in the boxing ring. See them in Rocky Series.

Sheldon Cooper is brilliant in every way except, well, interacting with any human being. See them in The Big Bang Theory.

Miss Havisham is the creepiest old rich lady in town. See them in Great Expectations.

Margo loves mysteries so much that she becomes one. See them in Paper Towns.

Jean-Baptiste Grenouille may have a phenomenal sense of smell, but he has a weak sense of morality. See them in Perfume: The Story of a Murderer.

In Ziva David's world, you grow up fast; you don't have a choice. See them in NCIS.