Wadatsumi stands among the primary antagonists in the anime *Shinkansen Henkei Robo Shinkalion Z*, debuting in the series' inaugural episode. His name originates from the Japanese mythological deity Wadatsumi, anchoring the narrative in traditional lore. Affiliated with the antagonistic group Teoti, he engages in ongoing confrontations against the Shinkansen Ultra Evolution Institute and its Shinkalion Z pilots throughout the series.