"Mermaid Teenager" incidentals

The Mermaids are mythical sea creatures from Legends of Bikini Bottom. Like Mindy, Patrick had a crush on them. Unlike Mindy, the mermaids looked confused seeing Patrick. Patrick was gonna stay with them for a while. It appears their are 5 mermaids and they sing like Ariel and Melody. It is unknown if their friends with Sponge and Pat.