Selene is the Greek goddess of the moon — distinct from Artemis, who governed the hunt by moonlight, Selene was the moon itself, driving her silver chariot across the night sky. As a pet name it carries mythological depth without the heaviness of better-known Olympians, and it works especially well for cats, who have always been associated with the moon.
Moon Goddess Mythology
Selene predates the Roman Luna and represents the moon as an active, driving force rather than a passive reflection. For owners who know their mythology, Selene over Luna is a deliberate choice for depth and specificity. Black cats and Russian Blues — nocturnal, silver-toned — are natural fits. The human name Selene has been rising in SSA data as Greek mythology names gain ground.
Underworld Films Association
Selene is also the name of the vampire warrior protagonist in the Underworld franchise (2003–2016), played by Kate Beckinsale. For owners who grew up with that series, the name carries action-heroine energy. A sleek, fast, dark-coated dog fits this reading well.
The Counter-Reading: Spelling Uncertainty
Selene vs. Selena creates consistent uncertainty. Owners who want the goddess reference without the spelling confusion might consider Luna as the more immediately legible moon name.