Because you like Jake in Adventure Time
Margaery Tyrell is one of the most adept and charming liars there is. See them in Game of Thrones.
Konata Izumi has a live-now, worry-later view of the world. See them in Lucky Star.
Nozomu's name translates to despair, which is fitting for him. See them in Sayonara, Zetsubo Sensei.
Brilliant but self-destructive, Lip Gallagher spends more time stirring up trouble than hitting the books. See them in Shameless.
Aldo Raine is in the killing Nazi business. And as he says, business is a-boomin'. See them in Inglourious Basterds.
A sadistic sociopath, Lil Z is helping make the City of God slum a Hell on Earth. See them in City of God.
Everyone is just a chess piece, and Izaya Orihara is a master player. See them in Durarara!!.
Irene Adler has to use both her brains and her body to survive. Luckily, she's usually the most brilliant person in the room. See them in Sherlock.
The only defense Earth has against alien invaders are giant robots in the hands of pilots like Kaworu. See them in Neon Genesis Evangelion.
A laid-back wanderer, Ginko has an empathetic, open-minded worldview. See them in Mushishi.
Audrey Horne may seem inquisitive and charming, but she can turn on a dime. See them in Twin Peaks.