Because you like Morpheus in The Matrix
Garnet is a Crystal Gem who'll protect her friends with her life. See them in Steven Universe.
Don't tell anyone Kate Austen was under arrest when the plane crashed. See them in Lost.
Morticia Addams hates anything bright and cheery and loves all things ghoulish, ghastly, and violent. See them in The Addams Family.
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.
Those who stand against this singular super ninja are doomed to fail. See them in Ninja Gaiden.
Janet Weiss is just like any other girl trapped in a bizarre burlesque-show castle. See them in The Rocky Horror Picture Show.
Megamind is searching for purpose in a supervillain life without a superhero to fight. See them in Megamind.
Resourceful and courageous, Chun-Li is dedicated to using her considerable strengths against evil. See them in Street Fighter.
It turns out Dracula's son Alucard has some pretty severe daddy issues. See them in Castlevania.
Applejack's practicality complements her caring nature. She is the loyalest of friends and the most dependable of ponies. See them in My Little Pony.
Butters Stotch is a kind-hearted student who likes ladybugs, Charlie's Angels, art class, baby-back ribs, and Little Bunny Foo Foo. See them in South Park.
Winn Schott is just your friendly neighborhood superhero support system. See them in Supergirl.