| BASILISK | From the Greek meaning "little king", a mythical serpent with a lethal gaze, often described in a bestiary, or, a heraldic cockatrice (8) |
| COMMONLY | What's very often described in a plebeian manner? |
| REGALIS | Meaning "little king", the genus of the goldcrest and the kinglet (7) |
| LEO | Astrological sign representing a lion; a constellation containing Regulus the "little king"; or, a name for the aforesaid cat, used in children's fables and tales (3) |
| INDIANHEMP | Drug a man from the east if he a be a politician (6,4) |
| UPAS | From the Malay meaning "poison", a tree with sap used to bestow a lethal tip on an arrow (4) |
| AMPHISBAENA | Fabulous serpent with a head at each end (11) |
| COCKATRICE | Fabulous serpent with a rooster's head (10) |
| MAMBA | Serpent with a Zulu name |
| COBRA | Serpent with a hood |
| STRAYBULLET | The cat and the ox take the alien to be a lethal hazard (5,6) |
| REGULUS | Brightest star of the constellation Leo, named from Latin word for little king (7) |
| ODDJOB | Bond villain with a lethal hat |
| APOLLO | Amateur Night venue with a "Be good or be gone" motto |
| PLUMED | How a Mexican mythical serpent is depicted |
| TROUGH | Difficult having little King in manger |
| THINK | Ponder the skinny little king (5) |
| SOGLOW | The Little King cartoonist Otto |
| RULEOFTHUMB | Handy guide to the reign of Little King Tom? (4,2,5) |
| GOLDCREST | Name of a kinglet and Europe's smallest avian whose genus, Regulus, means "little king" or "prince" and refers to its crown (9) |