Fredi Chernobyl Endres is a Brazilian guitarist, producer, and DJ (b. 16 March 1975). In Brazil, he is best known as Fredi Endres or Fredi Chernobyl, the guitar player of rap rock group Comunidade Nin-Jitsu from the city of Porto Alegre. He is also known as DJ Chernobyl, producing and playing a mix of Brazilian styles and contemporary electronic music. Brother of musician Fernando Thomas Kauffmann Endres (Nando Endres) and father of guitarist Erick Endres.