What is "torngarsuk"

In Inuit mythology, Torngasuk (or Torngasak) is a very powerful sky god, one of the more important deities in the Inuit pantheon.

Torngarsuk is listed as a demon or spirit in the Dictionnaire Infernal - aka. Tornatik, Torngarsoak, Torngasoak, Tungrangayak,Tornasuk etc. is a mischievous demon/spirit worshiped by offering in Greenland and the northeastern regions of Canada.