Guillermo Martinez Cid (born July 29, 1972 in Mexico City, Mexico) is a Mexican luchador, or professional wrestler known under a variety of ring names, primarily Bombero Infernal. He was the first person to wrestle under the name AK-47 but was later replaced, he also worked as Matrix, Kraneo, Capitán Muerte and Temerario Infernal. He is a freelance wrestler on the Mexican independent circuit and has worked on a regular basis for International Wrestling Revolution Group (IWRG) over the years. His son is currently wrestling as