Siguanaba
La Siguanaba is one of the most famous figures in Salvadoran folklore — a shapeshifting spirit that appears as a beautiful long-haired woman from behind but reveals the face of a horse or skull when she turns around. According to Salvadoran legend, she was originally Sihuehuet (Beautiful Woman), a peasant girl who used her charms and witchcraft to marry Yeisun, son of Tláloc. After her husband went to war, she had affairs and gave birth to Cipitio. She tried to poison her husband to claim the throne for her lover, but the plan backfired, transforming him into a giant monster. The god Teotl cur