Thalassa, Leviathanna, Abyssal, Seraphina, Hydrael, Coralia, Oceania, Nereida, Marina, Ondine, Isadora, Lysandra, Calliope, Amphitrite, Eurydice, Levia, Tethys, Styx, Krakenia, Charybdis, Scylla, Siren, Aella, Ceto, Doris, Galatea, Medea, Thetis, Triton, Vanessa, Undina, Nerissa, Rusalka, Selkie, Avani, Jormungandr (though traditionally masculine, could be adapted), Tiamat (similarly adaptable), Leviathana, Deepsea, Abyssinia, Thalassaia, Oceanus (feminized), Marinae, Aquamarina, Coraliae, Nereus (feminized), Poseidonia, Amphitritea, Eurycleia, Thalassa-Mae, Leviathan-Rose, Abyssal-Dawn, Seraphina-Azure, Hydrael-Deep, Coralia-Skye, Oceania-Blue, Nereida-Wave, Marina-Tide, Ondine-Mist, Isadora-Sea, Lysandra-Ocean, Calliope-Current, Amphitrite-Coral, Eurydice-Pearl, Levia-Storm, Tethys-Whisper, Styx-Shadow, Krakenia-Mist, Charybdis-Maelstrom, Scylla-Whirlpool, Siren-Song, Aella-Gale, Ceto-Whale, Doris-Shell, Galatea-Foam, Medea-Tidepool, Thetis-Depths, Triton-Wave, Vanessa-Aqua, Undina-River, Nerissa-Lagoon, Rusalka-Mermaid, Selkie-Seafoam, Avani-Ocean, Jormungandr-Serpent, Tiamat-Dragon, Leviathana-Queen, Deepsea-Nymph, Abyssinia-Princess, Thalassaia-Empress, Oceanus-Goddess, Marinae-Mistress, Aquamarina-Enchantress, Coraliae-Sorceress, Nereus-Nymph, Poseidonia-Ruler, Amphitritea-Queen, Eurycleia-Princess, Thalassa-Moon, Leviathan-Star, Abyssal-Night, Seraphina-Sun, Hydrael-Light, Coralia-Glow, Oceania-Sky, Nereida-Ripple, Marina-Shore, Ondine-Brook, Isadora-Seafoam, Lysandra-Oceania, Calliope-Currents, Amphitrite-Coral-Reef, Eurydice-Pearl-Diver, Levia-Storm-Surge, Tethys-Whisper-Wind, Styx-Shadow-Deep, Krakenia-Mist-Shroud, Charybdis-Maelstrom-Heart, Scylla-Whirlpool-Queen, Siren-Songstress, Aella-Gale-Force, Ceto-Whale-Song, Doris-Shell-Whisper, Galatea-Foam-Dancer, Medea-Tidepool-Nymph, Thetis-Depths-Keeper, Triton-Wave-Rider, Vanessa-Aqua-Spirit, Undina-River-Nymph, Nerissa-Lagoon-Queen, Rusalka-Mermaid-Princess, Selkie-Seafoam-Sprite, Avani-Ocean-Heart, Jormungandr-Serpent-Queen, Tiamat-Dragon-Goddess, Leviathana-Queen-of-the-Deep, Deepsea-Nymph-of-the-Abyss, Abyssinia-Princess-of-the-Depths, Thalassaia-Empress-of-the-Ocean, Oceanus-Goddess-of-the-Seas, Marinae-Mistress-of-the-Waves, Aquamarina-Enchantress-of-the-Deep, Coraliae-Sorceress-of-the-Reef, Nereus-Nymph-of-the-Ocean, Poseidonia-Ruler-of-the-Seas, Amphitritea-Queen-of-the-Ocean, Eurycleia-Princess-of-the-Depths.