Usagi Yojimbo is a comic book series created by Stan Sakai. It is set primarily at the beginning of the Edo period of Japanese history and features anthropomorphic animals replacing humans. The main character is a rabbit rōnin, Miyamoto Usagi, whom Sakai based partially on the famous swordsman Miyamoto Musashi. Usagi wanders the land on a musha shugyō, occasionally selling his services as a bodyguard.