Trivia: You can hear the Wilhelm scream twice during the scenes in the restaurant. The first comes just after the Bride fights Johnny Mo after the screen turns black and white. The second comes when the Bride races up the banister (during the "Nobody But Me" song). She slices a guy, then shoves him and he rolls backwards down the stairs.
Trivia: When the bride has the sword through one of the '88's", and is somewhat "dancing" with him, turning in circles, whilst the others are moving out of her way - the music being played is the same music from the movie "Gator" with Burt Reynolds, during the climatic scene at the end at the motel.
Answer: Bill used Hattari Hanzo's teachings for evil, instead of belief and self defense.