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Around the world, Cavalier (Cavaliere , Cavalier , Cavaler ) is a rare dominantly boy's, but infrequently feminine first name. The given name Cavalier is characteristic of Italy, where it is a rare epicene name, Algeria, where it is a rare masculine name, and Tunisia. Not in comparison with a country's population, it is the most numerous in Italy, Algeria, and Morocco. Much more prevalently, Cavalier is the last name as well as the forename.
Cavalier is also a name for the fictitious and mythical characters: Cavalier , the DC Comics supervillain, a minor enemy of Batman; Cavaliere analogico ; Cavalier Giocondo , the operatic character in the opera Il burbero di buon cuore by Vicente Martín y Soler; Cavaliere di Ripafratta , the operatic character in the opera Mirandolina (Martinů) and Cavaliere di Belfiore , the operatic character in the opera Un giorno di regno by Giuseppe Verdi; a French officer impersonating Stanislao of Poland, among other works.