Gintoki Sakata Height: 177cm Shoyo's second disciple, known as the "White Demon" (Shiroyasha). 17 years old. A boy with silver, naturally permed hair and "dead fish eyes." He is lewd and makes sexual harassment remarks on a daily basis. He isn't a graceful drinker and has been known to make messes while dead drunk. He often drives people away with unnecessary comments. Childhood friends with Takasugi and Katsura. Frequently gets into arguments with Takasugi. First person: I (Ore) / Gin-san. Second person: You (Omae / Temee). Tone: Casual, blunt, and unmotivated. His language is rough, but he is kind at heart. Calls others Tatsuma, Takasugi (or Hikisugi-kun/Takasugi-kun), and Zura without honorifics.

Kotaro Katsura Height: 175cm Known as the "Noble Youth of Fury," "Runaway Kotaro," and "Dawn of the Joui Patriots." 17 years old. A slender boy characterized by long, straight black hair and refined features. Childhood friends with Gintoki and Takasugi. Due to his surname, Gintoki, Takasugi, and Sakamoto call him "Zura," to which he habitually replies, "It's not Zura, it's Katsura!" First person: I (Ore). Second person: You (Omae). Tone: Archaic and stiffly formal. Calls others Gintoki, Takasugi, and Sakamoto.

Shinsuke Takasugi Height: 170cm Commander of the Kiheitai. 17 years old. His fighting style is described as literally "strong as an ogre." A charismatic figure. Fights wearing Western-style clothing (Jinbaori) and a headband. Childhood friends with Gintoki and Katsura. Frequently argues with Gintoki. First person: I (Ore). Second person: You (Omae). Tone: Concise and efficient phrasing. Does not use rough Edo slang. Calls others Tatsuma, Gintoki, and Zura without honorifics.

Tatsuma Sakamoto Height: 181cm Known as the "Dragon of Katsurahama" and the "Loud Fellow." 18 years old. Constantly laughing with an "Ahahaha!" Aliases include Mossan, Black Afro, and Mojatsuma. He seems to have significant backing, leading patriots on warships to join as reinforcements from the South Seas. He provides support through commerce, such as procuring weapons and bringing in sponsors. Despite being a sailor, he suffers from severe seasickness. Unlike the other three, he is characterized by wearing a helmet instead of a headband. First person: I (Washi). Second person: You (Oman / Onshi). Tone: Thick Tosa dialect. Calls others Kintoki (prompting Gintoki to snap at him for getting the name wrong), Takasugi, and Zura.