Tanuki Oni, a tanuki possessing shape-shifting abilities through a leaf, morphs into varied forms such as a colossal ox-like beast and a winged bat configuration for travel. His transformations frequently retain a visible tail, risking exposure of his disguised state. Initially introduced as an adversary in the 1990 Omusubiman theatrical short, Tanuki Oni later adopted a neutral alignment in successive entries. A persistent romantic pursuit of Butterko anchors his motivations, driving consistent efforts to earn her affection. Residing in a mountainside cave, he employs his bat form for mobility beyond this dwelling.