Paul Collin (stage name of Simon Witjas) (Amsterdam, August 6, 1883 - Hilversum, 30 may 1968) was a Dutch cabaret artist and singer . He was best known for his collaboration with Jean-Louis Pisuisse. Witjas worked as a young man as a Diamond cutter in Antwerp. In 1914 he fled Belgium during the first world war to his neutral homeland. Initially he worked as a violinist, but he soon came in contact with the popular comedian Painter. For ten years he made (as ' the genre ' diseur) part of his company.