Possible Clues:

• Riva, legendary Italian footballer who played in the nineteen seventy World Cup final
• One of the Mario brothers
• Italian dramatist Pirandello
• Italian with alluring air oddly rejected
• Mario's little brother
• Italian ladies, say, making themselves heard?
• 'Mario Is Missing!' hero
• Mario's brother, in video games
• ___'s Mansion (game in the Mario franchise)
• Mario's twin