Kristoffer Jonas Klauß, better known by the stage name Gzuz, is a German rapper, singer, songwriter and record producer. In addition to his solo career, he has had success as part of Hamburg hip hop crew 187 Strassenbande.
From Wikipedia (https://en.wikipedia.org/wiki/Gzuz) under Creative Commons Attribution CC-BY-SA 3.0 (http://creativecommons.org/licenses/by-sa/3.0/legalcode)