Don't eat the mushroom from our fanart Super Mario Mushroom Pixel Sticker - it is a power-up item in the Super Mario series of video games. When Mario or his brother Luigi collect this mushroom, they grow in size and gain an extra hit point, allowing them to break bricks and defeat enemies they previously couldn't. The Super Mario Mushroom is one of the most iconic items in video game history and has appeared in nearly every Mario game since its introduction.