Pierre-Yves Berhin (Hamo) is a musician-composer and comic book artist originally from Namur. He developed his artistic talents at the École Supérieure des Arts Saint-Luc in Liège between 2000 and 2003 and published his first short comic stories in Spirou magazine. He was then hired by Casterman to draw the 19th century detective series 'Noirhomme' from scripts by Antoine Maurel between 2007 and 2010.