Because you like Martha Jones in Doctor Who
A master manipulator, Frank Underwood has a tight grip on Washington DC. Plus who doesn't like having a leader who frequently tosses off Shakespearean asides? See them in House of Cards.
Courteous, dangerous, and powerful, Kaname Kuran controls an entire court of vampires. Very, very pretty vampires. See them in Vampire Knight.
Ron Burgundy is a news anchor who signs off with "Stay classy, San Diego" or whatever his teleprompter says. Bonus: he plays the jazz flute. See them in Anchorman: The Legend of Ron Burgundy.
Misato Katsuragi is never without a beer in her hand or her pet penguin by her side. See them in Neon Genesis Evangelion.
Pro: Johan Liebert is handsome and charming. Con: he's also a sociopathic killer. See them in Monster (TV Show).
Did he ever tell you the definition of insanity? Just wait, and this psychopath will do just that. See them in Far Cry 3.
Norma Bates may look like a harmless housewife, but don't let that fool you. See them in Bates Motel.
A genetic experiment engineered to be the perfect assassin, Agent 47 is cold, professional, and lethal. See them in Hitman.
Convinced that the world is conspiring against him, Tatsuhiro's reconciled himself to his fate as a shut-in. See them in Welcome to the NHK.