The Mermaid is a character who appears in Gloomy Galleon in Donkey Kong 64.

Her pearls have been stolen by the Kremlings and she stays crying because of that. Tiny Kong must go inside the treasure chest to are to find the pearls inside of clams.

After that, Tiny can shrink her size and enter on the Mermaid's Throne Room to give back her pearls and be rewarded with a Golden Banana by the Mermaid.

Other appearances

Mermaid Statue

The reappearance of the Mermaid in Banjo Tooie, seen here as the π statue.

The Mermaid reappears in a later Rare game, Banjo Tooie. There, four statues of her are scattered around the sunken city of Atlantis. Placing eggs in the lettered bases (labeled sigma (Σ), delta (Δ), pi (π) and omega (Ω) in a reference to the Greek-style architecture of the area) that they carry opens the access of the area's main temple.