Amazon.com: John Boos BBIT36252 End Grain Butcher Block Island Top, 36 x 25 x 2.25, Maple Wood: Cutting Boards: Kitchen & Dining John Boos & Co. is the leading manufacturer of butcher block and foodservice products for restaurateurs and homeowners alike. Always crafted from top-of-the-line hardwoods including hard rock maple and Appalachian red oak or quality stainless steel, KitchenSource.com carries the full line of John Boos butcher blocks, kitchen carts, work tables John Boos RA03 Maple Wood Edge Grain Reversible Cutting Board, 24 Inches x 18 Inches x 2.25 Inches Kitchen Islands and Carts. Shop the largest selection for the perfect Island or Cart for your kitchen. Offering a full range of kitchen islands and carts including butcher block, stainless steel worktables, microwave carts, granite carts and more from the leading manufacturers like John Boos, Jeffrey Alexander, Home Styles, Catskill, Crosley Boos first appear in Super Mario Bros. 3.Here, they are referred to as “Boo” Diddlys, a pun off the late rock star Bo Diddley.However, future games refer to them only as Boos. .