Because you like Simon Belmont in Castlevania
Jane Foster is an astrophysicist who suspects the colors in the sky may be a portal to another world. See them in Marvel Cinematic Universe.
Anna Karenina doesn't want to be a respectable woman any more. She thinks respect was invented to cover the empty place where love should be. See them in Anna Karenina.
Years of constant assault by mean classmates, rude teachers, and her abusive mother is making Carrie White want to fight back. See them in Carrie.
Dolores Umbridge keeps her villainy hidden (albeit poorly) behind a sheen of sugary pink politeness. See them in Harry Potter Series.
Winnie the Pooh is a chubby little cubby all stuffed with fluff. See them in Winnie the Pooh.
Madman, murderer, or musician? No one knows the Phantom behind the mask. See them in The Phantom of the Opera.
Keeping your cool is just as useful in the underworld as in war, and Michael Corleone is stone-cold. See them in The Godfather.
Sookie Stackhouse is a waitress who can read minds and break hearts. See them in True Blood.
There can be no doubt that Ben Linus is a huge liar. But one man's lies are another man's necessary steps to protect his people. See them in Lost.