The Fool were a Dutch design collective.  The original members were Simon (Seemon) Posthuma and Marijke Koge,  later joined by Barry Finch and Josje Leeger.  Their best known works were for The Beatles including the coration of Goerge Harrison's Mini, John lennon's piano and 3 storey high mural  outside the Apple Boutique on Baker Street, susbsequently painted over by order of the local Council.