In Spanish folklore (Iberian Peninsula, expanded to Mexico, Central America, and South America too), the Duende is a type of house spirit, a fairy which appears as a middle-aged woman dressed in green robes and with long icicle-like fingers. They are extremely jealous of humans and are known to take over houses, throwing things and moving furniture about. Duende is apparently derived from the Spanish words duen de casa, meaning "lord of the house".