Because you like Michael Myers in Halloween
Eponine is a scrappy street urchin with a bad case of unrequited love. See them in Les Miserables.
Alison DiLaurentis believes you're always better off with a really good lie. See them in Pretty Little Liars.
Lucille Bluth doesn't understand the question, and she won't respond to it. And you're probably better off. See them in Arrested Development.
Aang is already a master airbender and once he learns to manipulate water, earth, and fire, he'll be truly unbeatable. See them in Avatar: The Last Airbender.
Sterling Archer is a fun-loving, car-driving spy extraordinaire. But one can tell his mother didn't hug him as a child. See them in Archer.
They say they saved Adam Jensen by turning him into a cyborg, but he's not sure saved is the right word. See them in Deus Ex Series.
Wanderer is a Soul, a parasite sent into a host to take over their body, extracting information from them and colonizing their species. See them in The Host.
A suave womanizer, Jacob Palmer has turned seduction into a science. See them in Crazy, Stupid Love.
Aragorn is the one true king, a title he is too humble to accept. See them in The Lord of the Rings.