Hakase, meaning "Professor," is Shota Ohara's classmate. He is defined by his high intelligence, consistently portrayed as the academically gifted member of Shota's peer group. His role emphasizes his status as the intellectual counterpart within classroom and neighborhood settings, often appearing alongside recurring characters like the bully Godzilla (Tsuyoshi Saigo) and the wealthy Kizao Kiza. Across all series iterations, films, and related media, Hakase possesses no detailed background, personal history, character development, documented personal story arcs, relationships, or evolving traits. His depiction remains static, defined exclusively by his function as the high-achieving student within Shota's social circle.