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.

Dark Horse Comics is an American comic book, graphic novel, and manga publisher founded in Milwaukie, Oregon by Mike Richardson in 1986. The company was created using funds earned from Richardson's chain of Portland, Oregon, comic book shops known as Pegasus Books and founded in 1980.