O-Ren Ishi I a.k.a. "CottonMouth." Member of The Deadly Viper Assassination Squad. She was born on an american military base in Tokyo, japan and is a half chinese, half japanese asian american. O-Ren eventually became the leader of the Yakuza in Tokyo, together with the Crazy 88 and her personal body guard, Gogo Yubari. After a duel in the snow, O-Ren was murdered by Beatrix. O-Ren was the daughter of a Japanese-American father and Chinese mother. As a child, she witnessed the killing of both of her parents by the ruthless Yakuza boss, Matsumoto while hiding under a bed. Revenge. Fortunately for O-Ren, aged 12, Boss Matsumoto, responsible for her parents' murder was a pedophile. After luring him into a compromising position, she disemboweled him, and soon after murdered two of his henchmen from under the bed, where she just killed their boss. By the age of 20, O-Ren became one of the top female assassins in the world. Massacre at Two Pines At the age of 25 O-Ren was a member of the Deadly Viper Assasination Squad and took part in the vicous attack against the bride at her wedding rehersal, helping to kill 9 innocent people and being partly responsible for putting the bride into a coma. Leadership in Tokyo About a year after this Bill fully supported O-Ren financially and philosophically in her power struggle with the other Yakuza clans over who would rule vice in the city of Tokyo. She eventually becomes, what the bride calls "Queen of Tokyo's underworld".