Mermatron

Mermatron is a female bat-winged siren/mermaid demon that the rangers faced when they entered the Shadow World. Mermatron is a female and so far have appeared twice only, once in Sorcerer of the Sands and Olympius Unbound. It is unknown if the rangers ever battled her before since she never appeared before those 2 episodes. Her soul was sucked by Olympius to get out of the Shadow world.