[1] In addition to his solo career, he has had success as part of Hamburg hip hop crew 187 Strassenbande.

After his parents' divorce, Klauß grew up with his sister and his mother in Hamburg while becoming increasingly fascinated by the people who earn their money in the streets.

As a child, Klauß showed promise at basketball, yet the influence from bad company and later decisions led him to not advance seriously in the sport.

His addiction to marijuana, hashish and speedball led him to be admitted to a rehabilitation center at the age of 14.

Gzuz gained attention in the U.S. after WorldStarHipHop posted the video for his song "Was Hast Du Gedacht".