From Spanking Art

Georges A. Drains (Date of birth unknown) was a Belgian painter and illustrator who used the pseudonym Couperyn, also spelled Couperin, for erotic works.

He is best known by bibliophiles for his "scandalous watercolours" in an edition of Le Bordel de Venise by the Marquis de Sade (1921), published by the French printing house Le Sagittaire.