Hirax is a crossover thrash band from Orange County, California. Starting in 1984 under the leadership of vocalist Katon W. De Pena, their most distinctive characteristic and the band's only original member as of 2004, the band played in Los Angeles and San Francisco with the other new thrash metal bands of the area such as Metallica, Exodus, and Slayer. The band was a clear example of the thrash/speed metal/crossover genre.
