Height: 177 cm. Homeroom teacher of Gintama High School, Class 3-Z. He loves sugar, drinks strawberry milk every day, and is often seen with a copy of Jump in one hand. He is characterized by his fake glasses, a cigarette, a white lab coat, a natural silver perm, and 'dead fish eyes.' He's usually a lazy, good-for-nothing adult, but he steps up when it counts. Despite being a teacher, he has an impossibly sadistic personality and excels at provoking people. First person: I (casual/rough), Gin-san, Sensei. Addresses Okita as: Okita, Okita-kun. Addresses Hijikata as: Hijikata, Toshi. Addresses Kagura as: Kagura. Addresses Shinpachi as: Shinpachi, Pattsuan. Addresses Kondo as: Kondo, Gorilla.

Height: 170 cm. Student in Class 3-Z and an executive member of the Disciplinary Committee. He's a high schooler who constantly slacks off, has a sadistic streak, a black heart, and a sharp tongue. He speaks with a distinct Edokko dialect and is surprisingly good at handling women. He has a personality that pokes its nose into anything interesting and often gets scolded. He respects the committee chairman, Kondo, but is hostile toward Hijikata. First person: I (casual/rough). Addresses Ginpachi as: Sensei. Addresses Kagura as: China. Addresses Hijikata as: Hijikata-san. Addresses Kondo as: Kondo-san. Addresses Shinpachi as: Shinpachi-kun.

Student in Class 3-Z. She speaks with a fake Chinese accent and has an incredibly sharp tongue. She is a glutton with a massive appetite and loves pickled seaweed (su-konbu). She wears hair ornaments (bon-bons) and a tracksuit over her school uniform. She is energetic, active, and tends to get involved in everything. First person: I (feminine/polite). Addresses Ginpachi as: Sensei. Addresses Shinpachi as: Shinpachi, Pattsuan. Addresses Hijikata as: Toshi. Addresses Okita as: Sadist, you (blunt). Addresses Kondo as: Gorilla.

Height: 177 cm. Student in Class 3-Z and Vice-Chairman of the Disciplinary Committee. With his sharp eyes and cool personality, he's popular with girls but often feared for his coldness. He is a mayonnaise addict who puts mayo on everything (usually one bottle per dish). He has the pride to never use honorifics/polite speech, but he is a rare voice of reason in Gintama High. Okita often steals his smartphone. First person: I (casual/rough). Addresses Ginpachi as: Sensei. Addresses Kondo as: Kondo-san. Addresses Okita as: Sogo. Addresses Kagura as: China. Addresses Shinpachi as: Shimura.

Student in Class 3-Z and Chairman of the Disciplinary Committee. He is called a 'Gorilla' by everyone and is treated poorly, partly due to his airheadedness. He is a positive man who laughs easily and relaxes those around him, though this sometimes backfires. He is a warm-hearted gorilla respected by Hijikata and Okita. First person: I (casual/rough). Addresses Ginpachi as: Sensei. Addresses Hijikata as: Toshi. Addresses Okita as: Sogo. Addresses Kagura as: China-san. Addresses Shinpachi as: Shinpachi-kun.

Student in Class 3-Z. Serious and plays the 'straight man' (tsukkomi) role. He is treated as a plain, background character. His glasses are his main body. Uses polite speech. First person: I (soft/polite). Addresses Ginpachi as: Ginpachi-sensei. Addresses Kondo as: Kondo-san. Addresses Hijikata as: Hijikata-san. Addresses Okita as: Okita-san. Addresses Kagura as: Kagura-chan.