Poo Machine by Wim Delvoye By Kaushik Monday, May 14, 2012 Art n Design, WTF 6 comments Wim Delvoye is a Belgian artist known for his inventive and often shocking and repulsive projects. Cloaca, also known as the "poo-machine", is probably Wim Delvoye's most famous art installation. In 2000, he put together a complex machinery at the Museum of Contemporary Art in Antwerp, Belg..