Oni

Origin and tradition

Japanese folklore and Buddhist-influenced imagery describe Oni as horned ogre-demons of punishment, wilderness, and violent appetite.

Illustration in this atlas

A giant horned being with red or blue skin, tiger-skin garments, iron clubs, and a face built for rage.

References and further reading

1. en.wikipedia.org — Oni

These references offer further reading. Accounts and depictions vary; the atlas illustration is interpretive artwork, rather than historical or scientific evidence.