Princess Luna (voiced by Tabitha St. Germain), a winged unicorn, is Princess Celestia's younger sister tasked with helping Celestia maintain harmony in Equestria by raising the moon at night and lowering it at dawn.
Princess Luna (voiced by Tabitha St. Germain), a winged unicorn, appears in four episodes of the show. She is Princess Celestia's younger sister, tasked with helping Celestia maintain harmony in Equestria by raising the moon at night and lowering it at dawn.