Because you like Billy Costigan in The Departed

Fiery, intelligent, and opinionated, Jo March rebels against the restrictions of her era. See them in Little Women.

In the Land of the Dead, finally free from the restrictive customs of Victorian society, Victor Van Dort is coming out of his shell. See them in Corpse Bride.

Arthur Dent is an incredibly normal man on an incredibly abnormal adventure. See them in The Hitchhiker's Guide to the Galaxy.

Faith balances her adventurous thrill-seeking attitude with a righteous passion for justice. See them in Mirror's Edge.

With an undeniable sense of adventure, Huck Finn is an expert at getting into and, more importantly, out of sticky situations. See them in The Adventures of Huckleberry Finn.

Lucius Malfoy is a judgmental social climber who has a bigoted superiority complex. See them in Harry Potter Series.

Sarcastic and always complaining, C3PO is a droid that despite his quirks you always want by your side. See them in Star Wars Series.

When push comes to shove, the usually overly cautious Luigi has the heart of a hero. See them in Super Mario Bros..

A superpowered test subject, Scarlet Witch can manipulate other people's thoughts and force them to confront their worst fears. See them in Marvel Cinematic Universe.

They say Babydoll has lost her mind. But why does it seem like she's the only sane one in her institution? See them in Sucker Punch.

People think that because Tris is small, or a girl, or a Stiff, she can't possibly be cruel. But they're wrong. See them in Divergent.

Stewie Griffin is just your average evil-genius, talking, sociopathic baby. See them in Family Guy.