Possible Clues:

• Fiat in the movie "Cars"
• Video game character with an 'L' on his hat
• Mario’s brother in video games
• First of all, looking up, is greeting Italian — this one?
• Nintendo character with a green cap
• Mario's sidekick
• Mario Party party
• Prime letters for clueing a single Italian
• Mario's little brother
• Tony Shalhoub's 'Cars' role