More on Bergomask from Infoplease:

• Bergomask - Bergomask A clown or merryandrew; a native of Bergamo. Compare, a gasconader; a Boeotian. Source: ...
• William Shakespeare: Midsummer Night's Dream, Act V - 'Tis strange my Theseus, that these lovers speak of.
• Dictionary of Phrase and Fable: B - Definitions, origins, and illustrative excerpts for words, phases, and literary allusions starting with "B"