Show the world and a certain speedy hedgehog that you are the boss! Decked out with a pixelated Dr. Eggman, this mug declares, "Bossing it since 91." The Sonic the Hedgehog Bossing It Since 91 11 oz. Mug is made of ceramic, is dishwasher and microwave safe, and comes packaged in an open-faced gift box.