Paul Stottler designed this gas-masked mutant (this just in: its name is "OD") for Arizona thrash metal band Sacred Reich in 1987. "For every release except "Heal," says Stottler. Ever been to Arizona? It's hot in Arizona. Seems like one of the heaviest spots on Earth to start a thrash metal band.
In related news, apparently there was a heavy metal mascot war. Somebody came.