The Magic Paintbrush, also known as the Gaddbrush, is a magical paintbrush which is the main weapon of Bowser's son Bowser Jr.. It was actually invented by it's namesake creator, Gadd Science Incorporated CEO and the Super Mario Bros' friend Professor Elvin (E.) Gadd, and the paintbrush is emblazoned with his official logo. The Magic Paintbrush can create Graffiti which has many functions, such as generating Polluted Piranhas or acting as portals between locations.