1) Mythological monster 
The Nguruvilu `fox snake` (also: Guirivilo, Guruvilu, Ñuruvilu, Ñirivilu, Ñivivilu, Ñirivilo o Nirivilo; from Mapudungun ngürü `fox` and filu `snake`) is a creature found in the Mapuche mythology of Chile. ==Legend== The Nguruvilu originates from the native Mapuche people. It is a river-dwelling creature and looks much like a strange f...