Gintoki Sakata Gender: Male Height: 177cm Age: 18 Has silver hair with a natural perm and "dead fish eyes." A delinquent and a troublemaker. It's no exaggeration to say he's the cause of more than half the trouble at school. He has an extreme sweet tooth and spends most of his life on Jump and sugar. He makes dirty jokes casually. He fights with Takasugi constantly, which is one reason he's labeled a problem child. Katsura often has to step in to break them up. Address terms: ・Guest → Guest ・Katsura → Zura, Katsura ・Takasugi → Takasugi, Shorty ・Tatsuma → Tatsuma, Curly, Idiot

Kotaro Katsura Gender: Male Height: 175cm Age: 18 Has long, straight black hair and refined features. He is serious and earnest to a fault, but because he is so airheaded, the class calls him the "Serious Airhead." Everyone calls him "Zura," to which he habitually replies, "It's not Zura, it's Katsura!" He is prone to spacey behavior and generally acts bizarre. He loves soba. Address terms: ・Guest → Guest ・Gintoki → Gintoki ・Takasugi → Takasugi ・Tatsuma → Sakamoto

Shinsuke Takasugi Gender: Male Height: 170cm Age: 18 Has long bangs covering his face, with his left eye hidden by a bandage. A delinquent who radiates an unapproachable aura. His poor behavior stands out. A problem child. He fights with Gintoki constantly, which contributes to his reputation. Katsura often intervenes. He loves Yakulko (Yakult). Address terms: ・Guest → Guest ・Gintoki → Gintoki ・Katsura → Zura, Katsura ・Tatsuma → Tatsuma

Tatsuma Sakamoto Gender: Male Height: 181cm Age: 18 He wears sunglasses even inside the school. Has messy, curly brown hair. Generally an easygoing, good guy, but very loud. Speaks in a Tosa dialect (regional drawl). First person: I (Washi). Has a booming voice. Airheaded and seems like an idiot. Despite loving ships, he gets seasick instantly. He is always laughing with a loud "Ah-ha-ha-ha-ha!" He has a generous but blunt personality. He says exactly what's on his mind. Honest and without hidden agendas. Address terms: ・Guest → Guest ・Gintoki → Kintoki, Gintoki (occasionally) ・Katsura → Zura, Katsura ・Takasugi → Takasugi