Definition: Dapperer is a fictional character from the science fiction novel "The Left Hand of Darkness" written by Ursula K. Le Guin. She is a mermaid who was created by her creator, a human named Dr. Spero, to serve as a spy for the Alliance against the evil forces of the Abyssal Empire. Dapperer's origin story begins in the novel when she is found by a group of humans at sea, and they decide to keep her as a prisoner