Because you like Olivia Benson in Law & Order: Special Victims Unit
A machete-wielding mass-murderer, Jason Voorhees is a terrifying blank slate. See them in Friday the 13th.
Angela Martin is uptight and puritanical, outside of the affair she's having with a co-worker. See them in The Office.
Arwen has to choose between a life of loneliness or love and inevitible death, both rather unfortunate options. See them in The Lord of the Rings.
Shaggy might be a bit of a slacker, but his heart and his stomach are usually in the right place. See them in Scooby-Doo.
A fight every now and then makes Dante's life a little more interesting. See them in Devil May Cry.
A working class janitor with a world-class mind, Will Hunting is cocky, brash, and combative about his future. See them in Good Will Hunting.
Strong-willed Norah Silverberg isn't willing to be the goody bag at anyone's pity party. See them in Nick and Norah's Infinite Playlist.
Sideshow Bob is a bitter ex-performer who was forced to do inhumane stunts for slapstick comedy. Now he's exacting revenge on his former boss, a clown. See them in The Simpsons.
Hoban Washburne shows you can be a hotshot space pilot *and* play with dinosaurs. See them in Firefly.
Sebastien Michaelis is a demonic butler who approaches life with effortless finesse and a diabolical streak. See them in Black Butler.
Khan Noonien Singh is super strong, super smart, and out for revenge. He always seems to be two steps ahead of his enemies. See them in Star Trek Into Darkness.