Because you like Integra Hellsing in Hellsing

Kyoya Ootori is possibly the only person who could reasonably go from VP of a school club to ruling the world. See them in Ouran High School Host Club.

Kazuma Kiryu's legendary strength and exploits have earned him the nickname of Dragon of Dojima. See them in Yakuza.

When Rin Matsuoka is not swimming, he mostly spends his time brooding or listening to angry Dubstep. See them in Free! Iwatobi Swim Club.

Light Yagami has a plan to make a better world, and morals won't stop him. See them in Death Note.

A fun-loving jokester, Alistair isn't ready for the responsibilities he faces. See them in Dragon Age Series.

Ash Williams is a houseware clerk at S-Mart and the Chosen One. See them in The Evil Dead.

Although Morrigan knows every kind of magic there is, friendship is an untested area for her. See them in Dragon Age Series.

If Lisbeth Salander can hurt a bastard who deserves it by digging up stuff about him, she feels good. See them in The Girl with the Dragon Tattoo.

This barber doesn't cut hair. Sweeney Todd sends his clients down a chute to be baked into his partner-in-crime's pies. See them in Sweeney Todd: The Demon Barber of Fleet Street.

NiGHTS is a powerful but childlike spirit who hates being told what to do. See them in NiGHTS into Dreams.

A believer in the pursuit of justice, Garrus Vakarian hates it when bad guys slip through the cracks of the bureaucratic justice system. See them in Mass Effect.