"Johnny Rock" Heatley is an American guitarist, songwriter, originally from Boston, Massachusetts. Former member of 6L6, Halfcocked, Thunderbolt Derby and Powerman 5000 among others. Spider One (frontman of Powerman 5000) had originally signed Halfcocked to their deal with DreamWorks via his vanity label Megatronic. When Halfcocked folded, Spider One recruited Heatley as guitarist and songwriter for Powerman 5000.