Takeiwatatsu no Mikoto, also venerated as Kengun Okami, is a deity honored in Japanese tradition as the founding ancestral god of the Aso region in Kumamoto, closely associated with Aso Shrine. He is traditionally regarded as a grandson of Emperor Jimmu and is credited in local lore with cultivating the Aso caldera and establishing order in the region, which has led to his veneration in connection with safety and protection. Devotion to this deity reflects a long-standing regional and agricultural heritage rather than a claim of guaranteed specific outcomes.