List of legendary creatures (O)


  1. Obake – Shapeshifting spirits
  2. Obariyon – Spook which rides piggyback on a human victim and becomes unbearably heavy
  3. Obayifo – Vampiric possession spirit
  4. Obia – Gigantic animal that serves witches
  5. Oceanid – Nymph daughters of Oceanus
  6. Odei – Storm spirit
  7. Odin – King of Asgard
  8. Odmience – Changeling
  9. Og – Giant king of the Amorites
  10. Ogopogo Canadian Lake Monster
  11. Ogun – Iron god for the Yoruba people
  12. Ogre – Large, grotesque humanoid
  13. Oiwa – Ghost of a woman with a distorted face who was murdered by her husband
  14. Ojáncanu – Giant cyclops who embodies evil.
  15. Ōkami – Spirit wolf of powerful
  16. Okiku – Spirit of a plate-counting servant girl, associated with the "Okiku-Mushi" worm
  17. Öksökö – Two or three-headed eagle
  18. Ōkubi – Death spirit
  19. Okuri-inu – Dog or wolf that follows travelers at night, similar to the Black dog of English folklore
  20. Ole-Higue – Vampiric hag who takes the form of a fireball at night
  21. Ōmukade – Giant, human-eating centipede that lives in the mountains
  22. Oni – Large, grotesque humanoid demon, usually having red skin and horns
  23. Onibi – Spectral fire
  24. Onikuma – Bear monster with enormous strength that walks upright
  25. Onmoraki – Bird-demon created from the spirits of freshly dead corpses
  26. Onocentaur – Human-donkey hybrid
  27. Onoskelis – Shapeshifting demon
  28. Onryō – Vengeful ghost that manifests in a physical rather than a spectral form
  29. Onza – Wild cat, possibly a subspecies of cougar
  30. Oozlum bird – Bird that flies backwards
  31. Ophiotaurus – Bull-serpent hybrid
  32. Opinicus – Lion-eagle hybrid, similar to a griffin, but with leonine forelimbs
  33. Opiyel Guabiron – A dog-shaped god that watched over the dead
  34. Orang Bunian – Forest spirit
  35. Orang Minyak – Spectral rapist
  36. Ördög – Shapeshifting demon
  37. Oread – Mountain nymph
  38. Ork – Little people and house spirits
  39. Orobas – Horse-headed, honest oracle classed as a demon
  40. Orphan Bird – Peacock-eagle-swan-crane hybrid
  41. Orthrus – Two-headed dog
  42. Osiris – God of the dead and the judge of the underworld
  43. Oshun – God of love and fertility
  44. Otso – Bear spirit
  45. Ouroboros – Mystic serpent/dragon that eats its own tail
  46. Ovinnik – Malevolent threshing house spirit
  47. Owlman – Owl-like humanoid