An evil orange mermaid who wants to overthrow the kings and steal the castle. In the episode "A Mermaid's Tail" she almost succeeded when the kings gave her feet and she betrayed them, but she was foiled when doused with sea water, and transformed back into a mermaid along with her friends :Amazonia (the blue mermaid), Amnesia (the pink mermaid), Ammonia (the gold mermaid), and Anomatopoeia (the yellow mermaid).