Because you like Alastar Mad-Eye Moody in Harry Potter Series
For Dana Scully, sometimes looking for extreme possibilities makes you blind to the probable explanation right in front of you. See them in The X-Files.
The last war left his economy devastated, and now Germany is engaged in another war and stuck with two barely trained allies for help. See them in Axis Powers Hetalia.
Aang is already a master airbender and once he learns to manipulate water, earth, and fire, he'll be truly unbeatable. See them in Avatar: The Last Airbender.
An exuberant prankster, Naruto Uzumaki craves acknowledgement of any kind. See them in Naruto.
A fun-loving jokester, Alistair isn't ready for the responsibilities he faces. See them in Dragon Age Series.
Carl Gallagher is a budding psychopath fascinated with rule breaking. See them in Shameless.
John Locke is an eerily calm, confident believer in the magic of the island that gave him his legs back. See them in Lost.
Fun and feisty on the outside, Meredith Grey is dark and twisty on the inside. See them in Grey's Anatomy.
Light Yagami has a plan to make a better world, and morals won't stop him. See them in Death Note.
Mikasa Ackerman is a near-perfect soldier who won't break her stone-faced expression whether she's killing foes or protecting loved ones. See them in Attack on Titan.
Given his ability to wrench street signs from the ground, Shizuo Heiwajima is a useful one to have in dangerous Ikekuburo. See them in Durarara!!.