Ayako Valentina Hamada Villareal (February 14, 1981) is a female professional wrestler of mixed Japanese and Mexican descent. She is best known for winning several notable titles in Japanese women's pro wrestling, including both the WWWA World Heavyweight Championship and AAAW Singles Championship in the early 2000s, while also working from 2009 to 2010 for the American promotion Total Nonstop Action Wrestling, where she was a two–time TNA Knockout Tag Team Champion. She is a second generation wrestler, as her father is Gran Hamada. Her older sister Xóchitl Hamada is also a professional wrestler.