Professeur Manabu acts as the central administrator and guide for the Tomodachi Game, retaining this role consistently across all adaptations. He initiates participant involvement by personally handling their induction into the games—through abduction and rule delivery. His physical appearance and persona shift deliberately and substantially, reconfigured for each specific game scenario. These adaptations encompass alterations in visual presentation, attitude, and behavior, each meticulously crafted to resonate with the ongoing challenge's theme. No depiction of a concrete backstory, history, development, or evolution exists for this character in the manga, anime, live-action films, or television dramas. He functions exclusively within the game's administrative framework, with no official media delving into his origins, motivations beyond his role, or individual narrative progression.