Luc Lafnet was born on January 22nd 1899 in Belgium. He was a student at the Académie des Beaux-Arts de Liège in 1915, studying painting and graphic arts before moving to Paris in 1923. When Lafnet illustrated erotic literature he used the pseudonyms: Jim Black, Viset and Lucas O. In 1938, when Rob-Vel was called to fight in the war, Lafnet took over illustrating "Spirou", a character illustrated by Rob-Vel in the popular Belgian magazine "Le Journal de Spirou". Luc Lafnet died in 1939 at the age of 40.