Because you like Buffalo Bill in The Silence of the Lambs
Not only could Hellboy avenge your death, he'd also have a sense of humor about it and not let it ruin the rest of his night. See them in Hellboy.
Told her son will one day save the world, Sarah Connor dedicates her life to training him to do just that. See them in The Terminator.
Red doesn't like to explain herself. She wants her work to do the talking. See them in Transistor.
Although she's only six, Hushpuppy is a tough girl ready to stand up to terrifying, pre-historic beasts after the storm. See them in Beasts of the Southern Wild.
Dante Alighieri is a crusader fighting his way to absolution. See them in Dante's Inferno.
A bumbling hobbit, Bilbo Baggins is becoming a part of something much larger than himself as he embarks on a quest. See them in The Hobbit: An Unexpected Journey.
Will Turner is an earnest, lovelorn blacksmith's assistant with an adventurous spirit. See them in Pirates of the Caribbean: the Curse of the Black Pearl.
Megamind is searching for purpose in a supervillain life without a superhero to fight. See them in Megamind.
People make more sense to the hyper-logical Temperance Brennan after they're dead. See them in Bones.
When dealing with a half-demon partner and a world of violence, Kagome Higurashi has plenty of chances for her true courage to shine. See them in Inuyasha.