Ippon-datara (一本だたら)

Name Meaning

Overview

Ippon-datara (一本だたら) means "one-legged darter" or "one-legged creature." It refers to its distinctive single leg and mysterious nature.

  • Ippon (一本) = one (thing or leg)
  • Datara = derived from regional dialects referring to an odd or irregular being

Origin

  • Originates in the mountainous regions of the Kii Peninsula, particularly in Wakayama and Nara Prefectures.
  • Possibly derived from the folklore of mountain workers or ancient smith deities.
  • Linked with dark, snowy nights and winter tales.

Appearance

  • Appears as a humanoid with one leg and a single large eye.
  • Covered in grime, soot, or hair; usually carries a hammer or smith tools.
  • Its footsteps leave a single hopping track in the snow.
Ippon-datara yokai mountain
One-legged yokai Japan

Behavior & Myths

  • Only appears on certain nights during the year, especially around New Year.
  • May attack or frighten travelers, but often just leaves eerie tracks.
  • Some say it was once a blacksmith punished by the gods.

Symbolism

  • Symbol of mystery and fear in remote winter villages.
  • Represents the supernatural presence of mountains.
  • Sometimes a cautionary tale for respecting nature and solitude.
Ippon-datara mountain yokai
One-legged monster folklore

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