Because you like Arizona Robbins in Grey's Anatomy

The son of Death has an obsession with perfection and symmetry. See them in Soul Eater.

Ciel Phantomhive is a haughty teenage nobleman who doesn't suffer fools gladly. See them in Black Butler.

Edward Elric has a quick mind along with a quick temper. See them in Fullmetal Alchemist.

Few high school students could be less concerned with labels. See them in Ouran High School Host Club.

Howl puts the "tortured" in tortured artist. He just wants to be recognized for his work, but no one wants to trust a boy that sorta looks like a bird. See them in Howl's Moving Castle.