Gintoki
Gintoki refers to Gintoki Sakata, the main protagonist of the manga and anime series Gintama, created by Hideaki Sorachi. Gintoki is a former jouishishi, a rebel who fought against the Amanto alien invaders during the Baterian War. After the war, he returns to Edo, a fictionalized version of late Edo period Japan that has been invaded and colonized by aliens. Gintoki establishes and runs a freelance odd-jobs business called the Yorozuya, often alongside his companions Shinpachi Shimura and Kagura.
Gintoki is characterized by his distinctive silver, permed hair, which is a result of his wartime exposure
Throughout the series, Gintoki's past as a jouishishi, particularly his experiences and relationships during the war,