Possible Clues:

• Mario Bros. figure
• — Boccherini; — Pirandello
• One of Nintendo's Mario Brothers
• Mario Bros. brother
• Mario's brother in Nintendo's Mario Bros.
• Italian's regularly giving out alluring air
• Mario's brother, in Nintendo games
• Pirandello perhaps flouting his Six Characters individually being lost
• - Pirandello, Italian author
• Dramatist Pirandello who wrote 'Six Characters in Search of an Author'