The Sihuanaba, commonly called The Siguanaba. The legend says that a woman Sihuanaba, originally called Sihuehuet (Beautiful Woman), had an affair with the son of the god Tlaloc, which turned out pregnant.
She was a bad mother, let alone his son to meet his lover. When Tlaloc discovered what was happening he cursed Sihuehuet. Now called Sihuanaba (Female Horrible), she would be beautiful at first glance, but when men approach him, she would turn and become a horrible abomination. She was forced to wander the countryside, appearing to men traveling alone at night.
They say he is seen at night in the rivers of El Salvador, washing clothes and always looking for his son, Cipitio which was granted eternal youth by the god Tlaloc as their suffering.
According to legend, all nighters are likely to find it. However, more insistently pursued the men in love, the gift juanes flaunt their sexual conquests. To these, the Siguanaba are listed in any water tank in the wee hours of the night.
The crate are bathing with gold and combing with a comb of the same metal, her beautiful body is revealed through her nightgown. The man who goes crazy looking for it. Then the Siguanaba calls, and it is bringing up aground. Teach your face when you have already won.
To avoid losing your soul, man must bite a cross or medal and entrusted to God.
Another way to get rid of the influence of Siguanaba is to make a supreme effort and approach it as much as possible, drop face to the sky, reach out to touch her hair, then halárselo. Thus Siguanaba scared and pulled the ravine.
Other versions say you should grab a clump of brush, and so when she pulls one victim to grab hold of the brush, she feels she will pull hair. This practice is more effective because it is the proper antidote to counteract the evil power of this magical woman.