Gintoki's right-hand man during the joi war, the two have grown apart a little as Katsura continues the rebellion against the amanto. Seemingly slightly insane, he protects Elizabeth, a giant duck, with his life. Constantly on the run from the Shinsengumi, Katsura doesn't have much luck with his flimsy disguises. But remember, his name is Katsura! Not Zura!