Real name Jonas Kristoffer Klauß or Gazo born in Hamburg on 29 June 1988. His artistic name Gzuz comes from 'Ghetto Zeug unzensiert zusammen.'
In October 2010, he was sentenced to three years and six months in prison for robbery theft. During his imprisonment, 187 Strassenbande completed a "Free Gzuz Tour" in 2012 and sold Gzuz merchandise, such as Free Gzuz T-shirts to support him financially while incarcerated. After his release in 2013 he took part in the tour and had big success in his collaboration with Bonez MC with the album High & hungrig in 2014 and High & hungrig 2 in 2016 with the latter topping the German Albums Chart. Between the two albums, on October 9, 2015 he released his solo album Ebbe & Flut with the album reaching number 2 in German Albums Chart.
In June 2016, the song Ahnma appeared from the beginners. In this song he was represented with a feature and also appeared in the accompanying music video.
On May 25, 2018, his second solo album Wolke 7 was released.