Because you like Mrs. Krabappel in The Simpsons

A benevolent madman with a blue box, The Doctor is traveling through time and space to heal the wounds of the universe. See them in Doctor Who.

A plucky 13-year-old with a flair for the dramatic, Kiki is a witch in training. See them in Kiki's Delivery Service.

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.

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.