Mermista Vintage 1986 She-Ra Princess of Power Figure
Mermista is the princess of Salineas, an underwater city on Etheria. Mermista possesses the ability to change from her mermaid form to human and can also control water and telepathically communicate with sea creatures. She is the only of Salineas who supports The Great Rebellion and knows that the Horder will stop at nothing to conquer all Etheria everyone on it.
Mermista has a shiny mermaid tail and a turquoise shield and long light blue rooted hair.
Aside from some differences in colors used in the She-Ra cartoon, her toy representation and her animated likeness match up very closely.