Morris Katz, American, 1932 to 2010, two oil on board paintings depicting seascapes. Both signed and dated 1998 lower right. Morris Katz holds two Guinness World Records as the world's fastest painter and the world's most prolific artist. He has also been called the King of Schlock Art and the King of Toilet Paper Art because of a novel means of painting he developed using a palette knife and toilet tissue instead of a paintbrush. Modernist Paintings And American Art Collectibles.