This Samurai character:
Is based on this Samurai character:
But wait, there is more..
The masterless samurai Sanjuro appears in 2 of Akira Kirusawa’s films: Yojimbo and Sanjuro.
Kirusawa used the American genre of westerns for these films, but set them in feudal Japan.
Then Yojimbo was remade (into a western) by Sergio Leone as A Fistful of Dollars, starring an American “masterless samurai”, Clint Eastwood.