Billy "KABOOM" Mays (often called by his maiden name "Billy "Thorton" Mays") was a guy who selled some stuff he called gadgets (wow big word, huh?). He also selled things called Food. He invented the contraptions called the Washer and the Dryer by inventing the big City Detergent Ball. For his actual Un-Yoshi Bio, click here.
He and The Burger King are currently seeking world domination.