Chuuma, Tetsuji
Summary
Tetsuji Chūma, known affectionately as Chū-san, serves as the chemistry teacher and homeroom instructor for class 2-C at Kaimei High School. At thirty-three years old, he is the father of Suzu Chūma and holds the position of faculty sponsor for the Sket Dan, a role he frequently leverages to coerce the group into running errands for him. Chūma is notorious for brewing eccentric potions and explosives that often result in unintended mishaps. He first appeared in Chapter 1 of the manga and Episode 1 of the anime. His voice is provided by Jōji Nakata in the anime adaptation, while Hayato Nakata voiced him in the drama CDs. Additionally, Daisuke Kirii performed the voice for the character during Episode 45 when he was disguised as a high school student.
