Nickname: Gin-san. Birthday: October 10th. Age: 27. Height: 177cm. Weight: 65kg. Occupation: Leader of Yorozuya. Appearance/Personality: Characterized by naturally wavy silver hair and dead-fish-like red eyes. Personality: Usually lazy and lethargic, but a dependable, strong samurai when it counts. Tastes: Extreme sweet tooth, loves parfaits and strawberry milk. Gets grumpy if he doesn't get a regular sugar fix. Past: Feared during the Joui War under the alias "White Yaksha." His weapon of choice is a wooden sword engraved with "Lake Toya."

Height: 166cm. Weight: 55kg. Birthday: August 12th (Leo). Age: 16. Straight Man: In a series full of eccentric characters, he is the rare voice of reason and the dedicated straight man. Nickname: "Patsu-an." Background: The successor to the Koudoukan, a struggling sword dojo, along with his sister Tae. Works under Gintoki Sakata to learn the soul of the samurai. Fandom: Has a passionate side as the captain of the Otsu-chan (Terakado Otsu) Imperial Guard.

Name: Kagura. Age: 14. Height: 155cm. Weight: 40kg. Birthday: November 3rd. Zodiac: Scorpio. Favorite Food: Pickled seaweed, egg on rice. Verbal Tic: Ends sentences with "-aru" or "-ne." Yato Tribe: A survivor of the universe's strongest combat race. Vulnerable to sunlight, so she always carries a parasol (which doubles as a weapon). Family: Father is the space monster hunter Umibozu, mother is Kouka, and older brother is Kamui, commander of the Harusame 7th Division. Personality: Despite her cute appearance, she is foul-mouthed, crude, and violent (characterized by her "-aru" dialect).

Affiliation: Vice-Commander of the Shinsengumi. Birthday: May 5th. Age: 27. Height: 177cm. Weight: 64kg. Demonic Vice-Commander: A strict enforcer of the "Kyokuchu Hatto" (Code of Conduct), feared by his subordinates as a highly capable administrator. Mayora: A severe mayonnaise addict who smothers every kind of food in massive amounts of mayo. Heavy Smoker: A chain smoker who loves his cigarettes even when the world around him is full of non-smoking zones. Tosshi: Under the influence of the cursed sword "Muramasha," his otaku personality "Tosshi" sometimes takes over.

Age: 18. Birthday: July 8th (Cancer). Height: 170cm. Weight: 58kg. Blood Type: B. Origin: Bushu (Musashi Province). Affiliation: Captain of the Shinsengumi 1st Division. Personality: Contrary to his fresh-faced appearance, he is foul-mouthed and black-hearted, described by those around him as a "super sadist." Relationships: Constantly aims for Vice-Commander Toshiro Hijikata's life, trying to drag him down from the number two spot by any means necessary. He holds deep loyalty and respect for Commander Isao Kondo. However, in front of his sister Mitsuba Okita, who raised him after their parents died, he becomes a very honest and gentle younger brother. Combat Ability: The best swordsman in the Shinsengumi, his skills are the real deal. While he often slacks off on duty, he displays calm, high-level combat prowess in a pinch. Characterized by an Edo-style dialect, ending sentences with "-desaa" or "-desuze."

Height: 175cm. Weight: 56kg. Birthday: June 26th. Age: 27. Favorite Food: Soba. Blood Type: AB. A slender young man with handsome features and long, straight black hair. Leader of the anti-bakufu faction, the "Joui Party." Childhood friend of Gintoki Sakata and Shinsuke Takasugi, having studied together under Shoyo Yoshida, and a comrade-in-arms during the Joui War. Known by the aliases "Noble Madman," "Dawn of the Joui Patriots," and "Runaway Kotaro." Due to his surname and long hair, old friends like Gintoki, Takasugi, and Tatsuma Sakamoto call him by the nickname "Zura," to which he always gives his signature retort: "It's not Zura, it's Katsura!"

Height: 180cm. Weight: 123kg. Birthday: September 7th. Owner: Kotaro Katsura. Feature: Communicates via text on placards. Appearance: A penguin-like creature wearing a white costume. Identity: Depicted in the series as "Eren," the undercover commander of the space mercenary group "Renho," with various surreal backstories and secret identities revealed in different episodes.

Height: 170cm. Weight: 60kg. Birthday: August 10th. Zodiac: Leo. Age: 27. Favorite Food: Lactic acid drinks (Yakult, yogurt) which are easy on the stomach. Leader of the Kiheitai and a radical extremist known as the "most dangerous man among the Joui patriots." Wears a glamorous kimono reminiscent of women's clothing, though he wears more subdued patterns when in hiding. Carries a kiseru pipe and loves flashy festivals. Enjoys playing the shamisen, seen accompanying Bansai at the end of the Shinsengumi Crisis arc. He was a childhood friend and close companion to Gintoki Sakata and Kotaro Katsura, but due to a certain event during the Joui War, he is now their enemy, standing before Gintoki as his greatest nemesis.

Nicknames: The Dragon of Katsurahama, Ahaha-kun. Birthday: November 15th. Height: 181cm. Weight: 70kg. Age: 27. Personality: A severe airhead and extreme optimist who is always smiling and laughing boisterously ("Ahahaha!"). He doesn't sweat the small stuff at all. Name Confusion: Terrible at remembering names; he frequently calls the protagonist Gintoki Sakata "Kintoki." Reason for Leaving the Battlefield: Suffered a severe injury to his right arm during the Joui War, making him unable to wield a sword. Driven by a desire not to see his comrades die in vain, he chose the path of commerce (interstellar trade) to repair relations between Earthlings and Amanto. Partner: While he can't win against Mutsu, the female vice-captain of the Kaientai, he trusts her deeply.

Aliases: Shoyo-sensei, Utsuro. Gender: Male. Birthday: August 4th. Age: 37. Founding the Shoka Sonjuku: Opened a private school in a rural village where he taught Gintoki, Takasugi, Katsura, and others academics, swordsmanship, and "what it means to be a samurai," regardless of social status or wealth. Meeting Gintoki: Met a young Gintoki who was scavenging from corpses on a battlefield and took him in to raise him. True Identity (Utsuro): His true nature is one of the personalities born from "Utsuro," an immortal being and a mutant of Earth's energy, "Altana." End: During the Joui War, he was captured by the Bakufu's execution squad and was supposed to be beheaded by Gintoki's own sword in exchange for the lives of his disciples.