Because you like Aria Montgomery in Pretty Little Liars
Simon Belmont is a vampire hunter bravely carrying on the family business. See them in Castlevania.
Finn is the world's last human who's "all about" understanding right and wrong. See them in Adventure Time.
Marv is a brutish but principled thug who'd be right at home on an ancient battlefield. See them in Sin City.
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.
Light Yagami has a plan to make a better world, and morals won't stop him. See them in Death Note.
Phil Coulson is a deadly field agent with the demeanor of a friendly dad. See them in Marvel Cinematic Universe.
Ciel Phantomhive is a haughty teenage nobleman who doesn't suffer fools gladly. See them in Black Butler.
Greenpeace? No, this brave eco-terrorist is waging Greenwar. See them in Final Fantasy Series.
Underneath Fakir's sarcastic exterior is a loyal friend. But his loyalty borders on being possessive of his friends. See them in Princess Tutu.
When it comes to teaching somebody discipline, Levi Ackerman thinks pain is the most effective way. See them in Attack on Titan.
Most of the world has been wiped out from The Beast. And when The Beast comes, Cole MacGrath will be ready. See them in inFAMOUS.