Atlantean

You might be looking for any of the following species.
 * Atlantean (Crux)
 * Atlantean (DC)
 * Atlantean (Marvel)
 * Atlantean (Nadia: The Secret of Blue Water)
 * Atlantean (SpongeBob SquarePants)
 * Atlantean (The Godzilla Power Hour)
 * Atlantean (Warlords of Atlantis)
 * Antarean
 * Zangarian