Because you like Shawn Hunter in Boy Meets World

England may cultivate the image of a well-bred gentleman, but he has both the temper and mouth of a seasoned sailor. See them in Axis Powers Hetalia.

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

Bo Dennis once dreamed of being prom queen, but then she found out that she's part of some ageless secret race that feeds on humans. See them in Lost Girl.

Eren Jaeger will erase the Titans from this world until not a single one remains. See them in Attack on Titan.

Just a hint of human emotion lurks under the enigmatic exterior of Rei Ayanami. See them in Neon Genesis Evangelion.

An aloof punk rock goddess, Nana Osaki has a surprisingly big heart. See them in Nana.

Hotheaded and arrogant, Kaneda is nevertheless fiercely protective of the biker gang he leads. See them in Akira.

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.

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

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

With a unique ability to empathize with killers, Will Graham helps society but his sanity pays the price. See them in Hannibal.

A crabby troll, Karkat Vantas is perpetually angry about his lot in life. See them in Homestuck.