October 21, 1992: The world meets Wario (by name) in Super Mario Land 2: 6 Golden Coins
Though he had previously and namelessly been debuted some years before, the character we recognize today as Wario, famed antagonist to that ever-cheerful plumber Mario, was made famous in the Gameboy titled Super Mario Land 2: 6 Golden Coins. In this follow-up to Super Mario Land, the evil Wario placed a spell over the inhabitants of Mario Land and took over Mario’s castle. In order to get his castle back, Mario had to find six special coins and face off with Wario.