Wario is a character in Nintendo's Mario series who was originally designed as an arch-rival of Mario. He first appeared in the 1992 Game Boy title Super Mario Land 2: 6 Golden Coins as the main antagonist and final... wikipedia.org
Definition #2 for "wario"
Wario is a fictional character from the Nintendo video game franchise Super Mario. Designed by Hiroji Hiyotake, Wario was designed to be Mario?s rival, a villainous inverse of the hero with similar clothes and certain characteristics. He was voiced by Charles Martinet. After appearing in the Super Mario Land series as a boss enemy, he later went on to become a Nintendo icon, spawning two of his own series, Wario Land and WarioWare.