Creatures starting with O

Oboro-guruma
Yokai

Oboro-guruma (朧車)

Oboro-guruma is a ghostly oxcart that appears at night, bearing the face of a tormented driver. It is said to creak eeri...

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490

Ohaguro-bettari
Yokai

Ohaguro-bettari (お歯黒べったり)

A faceless woman yokai who appears in bridal attire, revealing only a wide mouth with black teeth to terrify unsuspectin...

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711

Oiwa
Yokai

Oiwa (お岩)

The ghost of a woman with a disfigured face who was betrayed and murdered by her husband, one of Japan’s most famous onr...

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729

Ōkamuro
Yokai

Ōkamuro (大顔)

A giant ghostly face that appears at the doorway, causing shock and paralysis in those who see it.

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541

Okiku
Yurei

Okiku (お菊)

The plate-counting ghost of a servant girl who haunts the well where she was killed after being wrongly accused of break...

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699

Ōkubi
Yokai

Ōkubi (大首)

A giant ghostly woman’s face that appears in the sky, often as a sign of warning or punishment.

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609

Okuri-inu
Yokai

Okuri-inu (送り犬)

A ghostly dog or wolf that follows night travelers in the mountains—helpful if respected, deadly if slighted.

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803

Ōmukade
Yokai

Ōmukade (大百足)

A colossal, venomous centipede known for battling dragons and threatening mountain paths and lakes.

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1390

Oni
Yokai

Oni (鬼)

The classic horned demon of Japanese folklore, known for its monstrous strength, terrifying appearance, and symbolic rol...

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895

Onibi
Yokai

Onibi (鬼火)

Mysterious floating flames believed to be ghost fires or spiritual energy, often seen near graves or haunted places in t...

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813

Onikuma
Yokai

Onikuma (鬼熊)

A legendary bear that walks upright and raids villages at night, stealing livestock and terrifying residents.

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699

Onmoraki
Yokai

Onmoraki (陰摩羅鬼)

A bird-like demon yokai formed from the spirits of the dead, appearing in temples and graveyards due to neglected funera...

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580

Onryō
Spirit

Onryō (怨霊)

Onryō are vengeful spirits that return from the dead to haunt those who wronged them in life, driven by anger and betray...

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1187

Otoroshi
Yokai

Otoroshi (おとろし)

Otoroshi is a hairy yokai that guards the gates of sacred places, silently watching and punishing those with impure hear...

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577

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