Hirax (often stylized as HIRAX) is an American thrash metal band from Cypress, California. Starting in 1984 under the leadership of vocalist Katon W. De Pena (the band's only original member left in the current line-up), the band played in Los Angeles and San Francisco with several of their thrash metal peers such as Metallica, Exodus, and Slayer. The band was an early example of thrash metal, speed metal and crossover thrash.