Because you like Mia Thermopolis in The Princess Diaries
A courageous boy robot, Mega Man is dedicated to achieving everlasting peace. See them in Mega Man.
Hotheaded and arrogant, Kaneda is nevertheless fiercely protective of the biker gang he leads. See them in Akira.
Castiel might be an immortal angel, but the human world is still more than a little confusing. See them in Supernatural.
John Locke is an eerily calm, confident believer in the magic of the island that gave him his legs back. See them in Lost.
You don't teach a class called "How To Get Away With Murder" without knowing a thing or two about getting away with things. See them in How to Get Away with Murder.
Vash might act like a carefree, peace-loving goof, but it's not wise to underestimate this "Humanoid Typhoon." See them in Trigun.
After surviving a CIA mission that was supposed to kill him, ex-military man John Reese bets it all on a chance to redeem himself. See them in Person of Interest.
Those who stand against this singular super ninja are doomed to fail. See them in Ninja Gaiden.
Ciel Phantomhive is a haughty teenage nobleman who doesn't suffer fools gladly. See them in Black Butler.