Xixi is a respected shaman and famous artist from Hermosillo, Sonora, Mexico. His grandmother came from Mazatec lineage and it was with her that Xixi first learned about the sacred medicines of Mexico. Xixi is a pioneer of Bufo Alvarius and has over 40 years of experience with plant medicine. He has a deep connection with the Seri indigenous population of Punta Chueca, Sonora. His connections assisted in the rebirth of Bufo Alvarius, or OTAC which is the Seri Comcáac word for toad, in Punta Chueca.