Super Mario 64 - Mario, Wario, Luigi, and Yoshi by WoofsGaming on DeviantArt
Mario Men Group Costume - Mario Luigi Wario Waluigi Costumes, HD Png Download , Transparent Png Image - PNGitem
While it is common knowledge that the M on Mario's hat stands for Mario, Nintendo has hidden a more discreet Easter Egg. The L on Luigi's hat and the W on Wario's