Who's the most diabolical bad guy in all of video gaming history? Why, it's Bullet Bill, of course! There's not much you can do to stop him, and he's sure to get you at least once. If you're a fan of this awesome character, show it off with pride. This officially licensed Nintendo t-shirt features one of the most notorious enemies from any video game. Show some love for Super Mario Bros with this retro Bullet Bill t-shirt!