There are at least seven artists who have used this name: 1. California based psychedelic rock band active in the late 1960s. 2. Michigan based hard rock band active in the 1970s. 3. Wales based hard rock/heavy metal band active in the 1980s. 4. New Orleans, LA based punk/metal band active in the late '80s, and reactivated in 2012. 5. Chicano gangsta rapper. 6. Rome based electronic artist known as DJ Mad Dog. 7. 90s UK hardcore / drum & bass producers Dave Wallace & Shaun O'Hara.