Because you like John Smith in Mr. & Mrs. Smith
A Silurian lizard woman, Madame Vastra has a penchant for puzzles and interspecies romance. See them in Doctor Who.
Mike Ehrmantraut is rutheless, merciless, and probably the most endearing hitman you've ever met. See them in Breaking Bad.
Chuck Bartowski is a sweet, laid-back electronics store/top secret government employee. See them in Chuck.
Faith has a chip on her shoulder and a stake in her hand to slay vampires in her town. See them in Buffy the Vampire Slayer.
The black sheep of his family, Rhett Butler grew up to have charm and to see things as they are. He just doesn't give a damn anymore. See them in Gone with the Wind.
Vivian Ward is a no-nonsense working girl with fairy-tale dreams. See them in Pretty Woman.
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.
Terry Jeffords (and his muscles) may look ferocious, but inside he's just a caring mama hen. See them in Brooklyn Nine-Nine.
A devoted butler, Alfred Pennyworth is both a fiercely protective guardian and a lethal gunman. See them in Gotham.
A cruel pirate, Captain Hook still fancies himself a gentleman. See them in Peter Pan.
Christian is a romantic who for some reason won't stop singing everything he feels. See them in Moulin Rouge.
Mrs. Lovett is the proud purveyor of the worst, and most grisly, pies in London. See them in Sweeney Todd: The Demon Barber of Fleet Street.