Because you like Gregor Samsa in The Metamorphosis
Barbara Kean is loving, selfless, and caring. But, she's less stable than she'd like to admit. See them in Gotham.
Sookie Stackhouse is a waitress who can read minds and break hearts. See them in True Blood.
Rupert Giles is a librarian on the outside, fearless evil-fighter on the inside. See them in Buffy the Vampire Slayer.
Aslan represents everything good and just, he's just not super reliable. See them in The Chronicles of Narnia.
Summer Roberts is privileged and preppy but also surprisingly open-minded and fiercely loyal. See them in The O.C..
An alien, a time-traveler, and an esper are following Haruhi Suzumiya, who – unknown to herself – is a near-omnipotent reality warper. See them in The Melancholy of Haruhi Suzumiya.
Howl puts the "tortured" in tortured artist. He just wants to be recognized for his work, but no one wants to trust a boy that sorta looks like a bird. See them in Howl's Moving Castle.
Cady Heron is the new girl in town who's also new to the world of high school, period. See them in Mean Girls.
The Terminator is an emotionless killing machine who won't stop until he's changed the future. See them in The Terminator.
Jason Bourne is suffering amnesia, but considering what he's done as a CIA assassin, maybe that's for the best. See them in The Bourne Identity.