There is more than one Unclean.
1. The Unclean were a punk/Oi! band from Detroit Michigan in the late 80's and early 90's. They frequently played shows with bands such as Rival and The Rogues 2. Unclean is a Czech black metal band founded in 1993. They recorded a two-song promo tape the same year and played several gigs in the Czech Republic in 1994 and 1995. In 1995 they released their second demo titled "Tam kdesi v hlubinách" which included 5 songs of occult black/death metal in the Czech style established by bands like Master's Hammer, Amon and Root.

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