All of these things are either vampires or worse than vampires
  1. Werewolves
  2. Witches
  3. Ogres
    I don't know if these are different than trolls but if they are I'm not sure how.
  4. Vampires
  5. Centaurs
  6. Zombies are very close to being vampires - they are both undead.
    Suggested by @atornberg
  7. vampire bats
    Suggested by @analyce
  8. Wendigo
    Feel like just drinking the blood is wasteful? Go for some cannibalism.
    Suggested by @lizzy4liz
  9. Chupacabra