sentences:  He studied at the Académie Royale des Beaux-Arts in Brussels and first presented his drawings at the publisher Dupuis, known for "Spirou" magazine, when he was 16.He was accepted as a letterer, and got to know the major artists of the magazine of the time like Jijé and André Franquin.In 1959, he published his first comic, "Sandy", about an Australian teenager and his kangaroo Hoppy.