Hans Erik Dyvik Husby, also known as Hank von Helvete, Hertugen (The Duke) and Hertis, most famous for being the lead vocalist of the Norwegian death-punk band Turbonegro. Husby went through detox while living at the Moskenes island in Lofoten, Norway. Here he worked at Norsk Fiskeværsmuseum in Å, as well as working as a presenter at Moskenesradioen, a local radio station. One of Husby's favorite singers is David Bowie. He is a supporter of FC St. Pauli, a German football-club. According to Norwegian press, Husby was married to Heidi Riise in 2004, but they separated in 2007. Husby is married with model Gro Skaustein (28). The couple has a daughter together, who was born on December 22, 2008.

Helvete means Hell in Norwegian.He is a member of the Norwegian metal band called Turboneger (Turbonegro outside Norway).