"Zatoichi" (座頭市) translates to "The Blind Ichi" in Japanese. The term "Zato" (座頭) refers to a blind person, while "Ichi" (市) is a common name. The character Zatoichi is a blind masseur and skilled swordsman who travels through Japan, often helping those in need while facing various adversaries. The franchise, which includes films, television series, and a recent remake, is well-known for its unique blend of action, drama, and themes of justice and compassion.

"Zatoichi" is not based on a true story but is a fictional character created by author Kan Shimozawa. The character, a blind masseur and skilled swordsman, first appeared in a series of novels in the 1940s. Zatoichi has since been featured in numerous films, television shows, and other media. The stories often blend elements of action, drama, and humor, set in the Edo period of Japan. While the character and his adventures are not real, they reflect aspects of Japanese culture and history.

The most violent Zatoichi movie is often considered to be "Zatoichi: The Blind Swordsman" (2003), directed by Takeshi Kitano. This film features intense and graphic sword-fighting scenes, showcasing Kitano's unique blend of stylized violence and dark humor. The film stands out not only for its action but also for its exploration of themes like honor and redemption, all while maintaining the classic elements of the Zatoichi series. Kitano's portrayal of the titular character provides a fresh yet brutal take on the iconic blind swordsman.

There are a total of 26 films in the original Zatoichi series, featuring the iconic blind swordsman Zatoichi, played by Shintaro Katsu. The series began in 1962 with "Zatoichi: The Tale of Zatoichi," and the last film in the original series was released in 1989. Additionally, there is a 2003 film titled "Zatoichi" directed by Takeshi Kitano, which serves as a modern reinterpretation of the character. Overall, including the original films and the 2003 version, there are 27 Zatoichi films.