Because you like Henry Higgins in My Fair Lady
Sephiroth wants nothing more than to seize the power of the Lifestream in order to become a god. See them in Final Fantasy Series.
A childlike space cadet, Brittany Pierce has a surprisingly open-minded spirit. See them in Glee.
Aldo Raine is in the killing Nazi business. And as he says, business is a-boomin'. See them in Inglourious Basterds.
Both a noble district attorney and a psychopathic villain, Harvey Dent proves some men really can have it all. See them in DC Extended Universe.
Hannah Horvath is kind of a mess, but she owns her messiness in a way few people do. See them in Girls.
Jorah Mormont is loyal to his queen. And he's quite in love with her as well. See them in Game of Thrones.
Dutiful, composed, and aloof, Sun Bak is the fighting force behind her team of eight "sensates" who are telepathically linked. See them in Sense8.
K-2SO is a blunt and sarcastic reprogrammed Imperial droid who is always up for an adventure. See them in Rogue One.
Winn Schott is just your friendly neighborhood superhero support system. See them in Supergirl.
A bureaucrat in the Land of the Dead, Manuel Calavera is a jaded, sarcastic loner who just might have a hidden heroic side. See them in Grim Fandango.
Baloo is a fun-lovin' bear who just needs the bare necessities of life See them in The Jungle Book.
Drusilla's hobbies include dolls, music, and killing people. See them in Buffy the Vampire Slayer.