| NABUCCO | Giuseppe Verdi opera composed in 1841 whose title character is king of Babylon |
| SAUL | Mandy Patinkin's Homeland character is king in Old Testament (4) |
| ARAGORN | Tolkien character is king in region around Zaragoza (7) |
| ABEDNEGO | In the Book of Daniel, one of three men thrown into a fiery pit for refusing to bow to an image of the king of Babylon (8) |
| HAMMURABI | King of Babylon who became the first king of the Babylonian Empire following the abdication of his father, Sin-Muballit |
| NABONIDUS | Last native king of Babylon, overthrown by Cyrus the Great of Persia in 539 BC (9) |
| TITO | Italian baritone who produced and played the title role in Giuseppe Verdi opera Simon Boccanegra at the Royal Opera House, Covent Garden, London, in 1965 (4,5) |
| GOBBI | Italian baritone who produced and played the title role in Giuseppe Verdi opera Simon Boccanegra at the Royal Opera House, Covent Garden, London, in 1965 (4,5) |
| BELSHAZZAR | Last king of Babylon before its capture by Cyrus in 539 BC |
| FALSTAFF | 1893 Giuseppe Verdi opera about a character featured in three Shakespeare plays (8) |
| AIDA | Four-act Giuseppe Verdi opera premiered at Cairo's Khedivial Opera House in 1871 (4) |
| NEBUCHADNEZZAR | King of Babylon, and destroyer of Jerusalem (14) |
| NERONE | Mascagni opera composed in Mussolini's honor |
| MAGPIE | Rossini opera composed in 1817, The Thieving _ (6) |
| DIDOANDAENEAS | Purcell opera composed in 1689 (4,3,6) |
| OBERON | Featured in Shakespeare's A Midsummer Night's Dream, who is King of the fairies? (6) |
| DUNCAN | Who is King of Scotland at the start of Shakespeare's Macbeth? (6) |
| GISELLE | Peasant girl in the title of a ballet first performed in 1841 (7) |
| BESS | Female character in an opera composed by George Gershwin (4) |
| ESPERANTO | Ten operas composed in largely unknown language (9) |
