八岐大蛇
The plot and the characters came from the "Yamata no Orochi" legend. There are also several characters in the games that are parodies or homages. Merchandise based on the characters has also been released, including action figures and keychains. The characters have garnered praise from several video game publications for the quality of their designs and movesets. Comments focused on the lack of improvements in some of the characters, but added that the roster is greatly diverse.