A beautiful and innocent young woman that the Merman tries to seduce and lure into the ocean. The Merman succeeds in getting Agnete close to the ocean, but when he sees so much trust and humility in her eyes, he decides he can’t go through with the seduction. After that, the Merman could make several different choices to repent of his actions, including to hide from Agnete or save himself by marrying her. Agnete is ignorant of the Merman’s true motives and character, which is why she’s able to trust and love him.