Shadow Warriors (1980– )
Hatori Hanzo character is in both, and not a coincidence
Joe Musashi's face on the title sequence resembled that of actor Sonny Chiba dressed as his character Hattori Hanzo from the Japanese TV series Kage no Gundan
Video game character "Hattori Hanzô" taken from the movie.
Bruce Willis was instructed on how to kill Maynard by being screened an episode of this show.
Stars Sonny Chiba as Hattori Hanzo. In Kill Bill, Chiba's Hanzo is a distant relative of the original Hattori Hanzo. Much inspiration for Kill Bill came from Season 4, including Lucy Liu's character O-Ren Ishii being named after Sue Shihomi's character O-Ren in Season 4.