Because you like Izzie Stevens in Grey's Anatomy
Soul
1922
While he might be too cool for school, Soul isn't too cool to do the right thing. See them in Soul Eater.
Mikasa Ackerman
2712
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.
L
4752
L is enigmatic, child-like, and one of the smartest people in the world. See them in Death Note.
Armin Arlert
2712
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.