Tanuki, a pivotal character in the story, holds the position of principal at the middle school where the protagonist teaches. His true name remains unknown, and he is known solely by the nickname "Tanuki," drawn from the Japanese raccoon dog of folklore—a creature associated with trickster antics, comical indecision, and a tendency to evade responsibility. This moniker mirrors his indecisive leadership style, marked by reluctance to confront challenges directly, often permitting situations to escalate unchecked.

Though he maintains a veneer of professionalism and strict protocol adherence, Tanuki functions as a figurehead, susceptible to manipulation by ambitious subordinates like the cunning vice principal. His passive demeanor clashes with his authoritative role, leaving him ill-equipped to resolve institutional conflicts. The folklore parallel—emblematic of a bumbling yet endearing trickster who falters under strain—aligns with his prioritization of surface-level order over meaningful intervention.

The nickname’s roots in Japanese tales, which portray tanuki as gullible shapeshifters prone to deception, highlight his blindness to manipulation, cementing his status as a pawn in the school’s hierarchy. Translations erroneously labeling him "Badger" dilute the term’s cultural specificity, stripping away layers of meaning tied to his ineffectual authority. No additional details regarding his personal history or narrative evolution beyond his professional role are provided.