Coi Coi-Vilu

Coi Coi-Vilu or Caicai-Vilu/'Cai Cai Vilu' is the Mapuche god of water and, according to Mapuche myths, supreme ruler of the sea and of all sea-dwellers. This snake was a central figure in the origin of the Chiloean Archipelago. In Mapuche mythology, Coi Coi-Vilu is son of Peripillan.
Some legends state that it is a parent of the mythical Trauco.

In popular culture

In the final shot in the trailer of Nahuel and the Magic Book by Latido Films, the Caicai raise to the ocean as Nahuel hugged an unconscious friend Fresia.