Tradition / Region: Japanese Mythology
Alternate Names: Yamajijii, Yamachiji, Yamajichi
Category: Mountain dweller
The Myth
Yamaji is a mysterious mountain monster found in the folklore of Kochi Prefecture and other parts of Shikoku, Japan. It usually appears as a tall or thin old man, sometimes with only one eye and one limb. In some accounts, it has two eyes, but one is so tiny that it can barely be seen. Its strange, human-like appearance conceals a dangerous supernatural nature.
Yamaji is said to possess the ability to read human thoughts. Like the Satori creatures of other Japanese legends, it can anticipate what a person is thinking and respond before they speak. However, people can sometimes defeat it through cleverness and unexpected tricks.
One tale tells of a man who encounters Yamaji in the mountains and is challenged to a contest of shouting. The monster produces such a tremendous roar that the trees tremble and stones move. To defeat it, the man pretends to shout loudly before secretly firing a gun beside the creature’s ear. Startled by the sudden noise, Yamaji believes the man has won the contest and loses the challenge.
But the monster does not easily forget a humiliation. After discovering the trick, it disguises itself as a spider and sneaks into the man’s home to take revenge. Other stories describe Yamaji harming people and horses, invading houses in disguise, and appearing alongside the fearsome mountain witch known as Yamauba. In some legends, Yamauba even comes to avenge a Yamaji that has been defeated.
Yamaji is a dangerous spirit of the wilderness, combining the appearance of an old mountain hermit with supernatural intelligence, tremendous strength, and a talent for deception. Its tales warn travellers that the mountains may conceal beings who understand human thoughts but can still be outwitted by a quick and cunning mind.
Sources
TYZ-Yokai Blog contributors. (n.d.). 山爺 (Yamajiji). In TYZ-Yokai Blog, from https://tyz-yokai.blog.jp/archives/1077741578.html