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No. You're not a bad person. You're a terrific person. You're my favorite person. But every once in a while, you can be a real cunt.

–Bill to Beatrix


Bill is the antagonist of the "Kill Bill" duology.

He was the leader of the Deadly Viper Assassination Squad, where he was known by his code-name Snake Charmer. Bill was Beatrix Kiddo's love interest, and the father of B.B. Kiddo. He was killed by Beatrix, using the Five Point Palm Exploding Heart Technique.


Bill and his brother Budd grew up without a father (although Esteban Vihaio, a pimp, acted as a father-figure for a time). He was once a student of Pai Mei and of Hattori Hanzō, whom he betrayed. Eventually, he establishes his own assassin-for-hire organization, the Deadly Viper Assassination Squad.

It is commonly thought that Bill (not long after his betrayal of Hattori Hanzo) was also a part of the killing of both O-Ren Ishii's parents.

Deeply saddened by the apparent murder of his second-in-command, and lover, Beatrix Kiddo, Bill personally sought out her killers, only to find that she was still very much alive, trying to clear her past and start a new life with their unborn child.

Bill surfaced unannounced at Kiddo's wedding rehearsal at the Two Pines Wedding Chapel, and promised not to interfere with her new life. When Bill met Kiddo's fiancé, Kiddo covered for Bill by saying he was her father. Bill wished Kiddo the best of luck as he moved to the bride's side of the wedding chapel. At the same time, the remainder of his assassin squad moved in from outside, and massacred the entire wedding party. Bill delivered a final speech to Kiddo, after which he performed the coup de grâce by shooting her in the head. Before he fired, Kiddo tried to tell him that he was the father of her unborn child.


After the deaths of O-Ren Ishii and Vernita Green, Bill visited his brother. Budd, and warned him that Beatrix would come after him. When asked if he had kept his Hanzo sword, Budd told him he had pawned it.

Having dispatched Bill's henchmen and women, Kiddo finally confronted Bill, only to discover B. B. Kiddo was still alive and loved her father. Bill reminded Kiddo of her own violent ways, and the fact that love and violence are far from exclusive. Kiddo, who had heretofore operated as a machine-like instrument of vengeance, was shaken but ultimately undeterred. After spending the evening with a peaceful dinner and a movie with their daughter, the two had a brief sword fight. Kiddo tapped Bill in the center of his chest, using a secret Five Point Palm Exploding Heart Technique that was taught to Kiddo (and not to Bill, or anyone else) by Pai Mei. Bill understood the significance of this move, knowing that he would meet his death from an exploding heart once he took five steps from where he stood. "Well," he smiled, "how do I look?" "You look ready." Kiddo told him. As Kiddo looked on with tears, Bill stepped into the darkness of his backyard and collapsed, Kiddo's vengeance collected at last.

Code Name[]

The Snake Charmer refers to a person who can control a snake through music. Before the Massacre at Two Pines, Bill is seen playing a flute.


  • Handguns: Bill frequently used handguns on his targets and demonstrates a lightning-quick draw with his revolver and precise aim with his truth-serum gun.
  • Swordsmanship: Bill was a master swordsman. He was trained by Hattori Hanzō and his name alone was enough to convince Hanzō to make Beatrix a sword, implying his sheer skill. In his showdown with her, he disarmed Beatrix within seconds.
  • Martial Arts: Bill was most likely an expert martial artist as he was trained by Pai Mei (and evidently held his own against the aged master upon delivering Beatrix for training).
  • Miscellaneous skills: Aside from these skills, Bill was also shown to be highly intelligent, planning his crimes and Beatrix's movements in advance, as well as creating a powerful truth serum. A true renaissance man, he was able to seamlessly transition from storytelling or flute playing into sudden violence. Despite being no longer in his prime, he was one of the most formidable characters in the movies.


Some believe that the man in the white suit, seen in the anime flashback regarding O-Ren's origin was in fact a young Bill working as the main henchman for Boss Matsumoto or possibly as an assassin for hire.

Many note that the long hair, the rings, the fancy suit, and the use of the sword to be very similar to how Bill's character was portrayed. The question of why O-Ren would later work for the man who brutally murdered her father leaves some to doubt this. Though given the moniker "Snake Charmer", and seeing his ability to charm, lead, and control the entire Viper Squad, it is possible he somehow convinced her to spare him and that Boss Matsumoto was the only target that really mattered. The story of how Bill originally met O-Ren is never given.

Some people theorize that the explanation for not seeing O-Ren ever take revenge on the man who specifically killed her father is another reason why its possible Bill was the man in the white suit. It is also noted that O-Ren never sees the face of the man in white. This has lead some fans to believe that she simply may not have known Bill participated in the killings of her parents. If in fact the assassin wearing the white suit was indeed Bill.

Note: The sword seen in the anime scene does not have the Hanzo marking that Bill's has. Though it is possible he simply does not yet have it at this point in his life.

The character actually being Bill is unconfirmed though and some believe it is just simply a henchman named Pretty Rikki. The extended version of the anime scene was rumored to have focused on O-Ren hunting down Pretty Rikki and killing him along with her exacting revenge against the mob boss Matsumoto.