Because you like Dolores Umbridge in Harry Potter Series
Impassive, overly literal, and a little short on people skills, Angel dedicates her life to enforcing the rules. See them in Angel Beats!.
When Rin Matsuoka is not swimming, he mostly spends his time brooding or listening to angry Dubstep. See them in Free! Iwatobi Swim Club.
Smart and sensitive Sam Winchester tried to escape the family business, but ghosts have a way of haunting you. See them in Supernatural.
It's hard to tell if Dean Winchester cares more about saving the world or his 1967 Chevy Impala. See them in Supernatural.
Clary Fray's philosophy: dive into the supernatural underworld first and ask questions later. See them in City of Bones.
Joel is a hardened, jaded survivor who keeps finding things to fight for. See them in The Last of Us.
The son of Death has an obsession with perfection and symmetry. See them in Soul Eater.
Ace pilot Asuka Langley Soryu is confident, haughty, and a little less grown-up than she pretends to be. See them in Neon Genesis Evangelion.
Edward Elric has a quick mind along with a quick temper. See them in Fullmetal Alchemist.
Leonidas is not the kind of king who merely gives orders; rather, he's out on the battlefield fighting alongside his men. See them in 300.