Because you like Mikado Ryugamine in Durarara!!
Castiel might be an immortal angel, but the human world is still more than a little confusing. See them in Supernatural.
Tobias "Four" Eaton is only afraid of four things, but you should probably be afraid of him. See them in Divergent.
A baker turned reluctant fighter, Peeta Mellark can charm his way out of just about any situation. See them in The Hunger Games .
Her interests include martial arts, interrogation, and hacking. Natasha Romanoff is the ultimate spy. See them in Marvel Cinematic Universe.
Sheldon Cooper is brilliant in every way except, well, interacting with any human being. See them in The Big Bang Theory.
Bedside manner is for chumps, not the brilliant Dr. Gregory House. See them in House M.D..
Jeff Winger thinks he's too cool for school, which is a problem because he just enrolled in community college. See them in Community.
Though Ray Holt is a man of few words and even fewer smiles, he cares deeply about his precinct and detectives. See them in Brooklyn Nine-Nine.
Lucius Malfoy is a judgmental social climber who has a bigoted superiority complex. See them in Harry Potter Series.
Whether it's a fire or a pit of lions, there's almost no predicament that Violet Baudelaire can't get her and her siblings out of. See them in Lemony Snicket's A Series of Unfortunate Events.
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.