Viper (September 12, 1959 – December 24, 2010) was the stage name of Stephanie Green, an American pornographic actress, known for a prominent full body snake tattoo, for co-founding Fans of X-Rated Entertainment with Bill Margold, and for her disappearance in 1991. Viper, an adult performer who appeared in less than a hundred scenes during a five-year span that started in 1986, died December 24 at the age of 52 from lung cancer, according to an obituary posted to SeaCoastOnline.com.