Between the Mapuche and Tehuelche there is a malignant entity known as Walichu, this name is associated with spells or magic that is generally used to attract the beloved person.
In Chile means demon, Devil, evil, harmful, evil. It is a term of mapuche origin (mapudungun).
GUALICHO: BE MALIGNANT. HARMFUL.HEX.AMULET. TALISMAN.