Because you like Mrs. Krabappel in The Simpsons

With a brilliant mind, an insane level of confidence, and a penchant for drunken dancing, Cristina Yang is a force to be reckoned with. See them in Grey's Anatomy.

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

Talented but anxious, Shinji Ikari struggles to bear the challenges that life hands him. See them in Neon Genesis Evangelion.

While Cassie Ainsworth's head is always in the clouds, her heart is always in the right place. See them in Skins.

Clary Fray's philosophy: dive into the supernatural underworld first and ask questions later. See them in City of Bones.

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

Armin Arlert was wrong. This world hasn't become hell; it's been hell. He just couldn't see it before. See them in Attack on Titan.

Castiel might be an immortal angel, but the human world is still more than a little confusing. See them in Supernatural.

Smart and sensitive Sam Winchester tried to escape the family business, but ghosts have a way of haunting you. See them in Supernatural.

L is enigmatic, child-like, and one of the smartest people in the world. See them in Death Note.

Light Yagami has a plan to make a better world, and morals won't stop him. See them in Death Note.

The adventurous daughter of Port Royal's governor, Elizabeth Swann would rather conspire with pirates than sit pretty in her corset. See them in Pirates of the Caribbean: the Curse of the Black Pearl.