Little Mermaid is a teenage aquatic super-hero using mermaid powers. Her parents were Atlanteans from Poseidonis and Tritonis. She has been a member of the Global Guardians and the Ultramarine Corps. In this position she has assisted the Justice League many times. Little Mermaid was created by E. Nelson Bridwell and Ramona Fradon, first appearing in Super Friends #9. (1977)
The title also refers to Nerissa in the Fables Universe, based on the classic fairytale of "The Little Mermaid".