Javier Hernández Padilla (September 22, 1952) is a semi-retired Mexican Luchador, or professional wrestler best known under the ring name Américo Rocca. Hernández also worked as the enmascarado (masked) Ponzoña from 1990 until 1994, and as Ninja Samurai for a brief time in 1994. Hernández is a former holder of the Mexican National Lightweight Championship and a three time holder of both the Mexican National Welterweight Championship and the NWA World Welterweight Championship all promoted by the professional wrestling promotion Empressa Mexicana de Lucha Libre (EMLL).