Zatoichi is a fictional character created by Japanese novelist Kan Shimozawa. He is an itinerant blind masseur and swordsman of Japan's late Edo period. He first appeared in the 1948 essay Zatoichi Monogatari (座頭市物語), part of Shimozawa's Futokoro Techō series that was serialized in the magazine Shōsetsu to Yomimono.

Daiei Film Co. Ltd. was a Japanese film studio. Founded in 1942 as Dai Nippon Film Co., Ltd., it was one of the major studios during the postwar Golden Age of Japanese cinema, producing not only artistic masterpieces, such as Akira Kurosawa's Rashomon (1950) and Kenji Mizoguchi's Ugetsu (1953), but also launching several film series, such as Gamera, Zatoichi and Yokai Monsters, and making the three Daimajin films (1966). It declared bankruptcy in 1971 and was acquired by Kadokawa Pictures.