• Obake (Japanese) - Shapeshifting spirits
  • Obambo (Central African) - Homeless ghost
  • Obariyon (Japanese) - Spook which rides piggyback on a human victim and becomes unbearably heavy
  • Obayifo (Ashanti) - Vampiric possession spirit
  • Obia (West Africa) - Gigantic animal that serves witches
  • Oceanid (Greek) - Nymph daughters of Oceanus
  • Odei (Basque) - Storm spirit
  • Odmience (Slavic) - Changeling
  • Og (Jewish) - Giant king of the Amorites
  • Ogre (Medieval folklore) - Large, grotesque humanoid
  • Oiwa (Japanese) - Ghost of a woman with a distorted face who was murdered by her husband
  • Ojáncanu (Cantabrian) - Giant cyclops who embodies evil.
  • Okiku (Japanese) - Plate-counting ghost of a servant girl
  • Ōkubi (Japanese) - Death spirit
  • Okuri-inu (Japanese) - Dog or wolf that follows travelers at night. Similar to the Black dog of English folklore
  • Ole-Higue (Guyanese) - Vampiric hag who takes the form of a fireball at night
  • Ōmukade (Japanese) - Giant, human-eating centipede that lives in the mountains
  • Oni (Japanese) - Large, grotesque humanoid
  • Onibi (Japanese) - Spectral fire
  • Onmoraki (Japanese) - Bird-demon created from the spirits of freshly dead corpses
  • Onocentaur (Medieval Bestiaries) - Human-donkey hybrid
  • Onoskelis (Greek) - Shapeshifting demon
  • Onryō (Japanese) - Vengeful ghost that manifests in physical (rather than spectral) form
  • Onza (Aztec and Latin American folklore) - Wild cat, possibly a subspecies of cougar
  • Ophiotaurus (Greek) - Bull-serpent hybrid
  • Opinicus (Heraldic) - Lion-eagle hybrid, similar to a griffin, but with leonine forelimbs
  • Orang Bunian (Malay) - Forest spirit
  • Orang Minyak (Malay) - Spectral rapist
  • Ördög (Hungarian) - Shapeshifting demon
  • Oread (Greek) - Mountain nymph
  • Ork (Tyrolean) - Little people and house spirits
  • Orobas (European) - Horse-headed, honest oracle classed as a demon
  • Orphan Bird (Medieval Bestiaries) - Peacock-eagle-swan-crane hybrid
  • Orthrus (Greek) - Two-headed dog
  • Otso (Finnish) - Bear spirit
  • Ouroboros (Worldwide) - Mystic serpent/dragon that eats its own tail
  • Ovinnik (Slavic) - Malevolent threshing house spirit
This page uses content from the English Wikipedia. The original article was at List of legendary creatures (O). The list of authors can be seen in the page history.

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