There are multiple artists named Holocaust:
1. A Heavy Metal band from Edinburgh
2. A Wu-Tang clan affiliate aka Warcloud aka Robot Tank aka Alcatraz. Correct your tag to The Holocaust.
3. A 60s garage punk band
4. A Canadian black metal duo, also known as Cumming Jehovah
5. A German black metal band.
6. A 1980s punk band from Christchurch, New Zealand. 1. Holocaust is one of metals most influential and pioneering bands. Tributes have been paid by no less than Metallica ("The Small Hours"), Six Feet Under ("Death or Glory"), and Gamma Ray ("Heavy Metal Mania"), among others.