Saúl Alfonso Hernández Estrada (born January 15, 1964), is a Mexican musician, poet, writer, composer and singer. He is considered one of the most important musicians in Mexico and Latin America. He is the leader of the Mexican rock band Caifanes and Jaguares, with which he became one of the pillars and leading figures in the rock music scene in Mexico in the late 80's and during much of the 90's