Grungerman is another Alias from Wolfgang Voigt.
Very well known was his remix/re-version of Juliane Werding's "Am Tag Als Conny Kramer Starb" ("The Day Conny Kramer Died"). He released, typical for Wolfgang Voigt, minimaltech tracks on Kreisel, Profan and did some remixes for Andreas Dorau.

Grungerman on Last.fm.