Everyone remembers the Super Mario Bros. If you were a kid who grew up in the early/mid 80s and 90's then you played Super Mario Brothers on Nintendo. It doesn't matter if you were hooked on Super Mario Bros. Super Mario Bros. II, or Mario 3, or Mario Kart you fell in love with the two Italian plumbing brothers. And now here's your chance to go as either Mario or Luigi for Halloween by wearing one of our officially-licensed Super Mario Bros. Halloween costumes. our Mario Brothers Halloween costumes and Nintendo Halloween costume outfits come in a few different sizes so there's no way that any Mario Bros. fan is going to be left out of the cold this Halloween season.