Ushi-oni (牛鬼)

Name Meaning

Ushi-oni (牛鬼) means "ox demon" or "ox ogre," and refers to various monstrous beings with the head of an ox.

  • Ushi (牛) = ox
  • Oni (鬼) = demon or ogre

Origin

  • Prominent in the folklore of western Japan, particularly coastal and mountainous regions.
  • Appears in historical emaki (picture scrolls) and tales from Shikoku and Kyūshū.
  • Sometimes worshipped in shrines to prevent disasters.

Appearance

  • Often depicted with an ox’s head and the body of a spider, crab, or grotesque beast.
  • Fiery eyes, sharp horns, and multiple limbs are common features.
  • Some versions appear as aquatic or amphibious monsters.

Behavior & Myths

  • Attacks fishermen, villagers, or travelers; can emit toxic fumes or curses.
  • May possess shapeshifting abilities or control water-based disasters.
  • In some stories, defeated by heroic warriors or Buddhist monks.

Symbolism

  • Symbolizes raw, chaotic power and fear of the unknown wilderness.
  • Represents natural calamities, especially in fishing villages.
  • Used in local festivals to scare off evil and bring good fortune.
Ushi-oni yokai art
Japanese ox demon yokai