Nanook is the Alaskan Malamute from the 1987 movie The Lost Boys.

A person who doesn't realize they are transgender yet, or is in denial; an undeveloped transgender person. When they realize, it's referred to as the "egg cracking."

Actually, "Nanook of the North" is not a fictional work of literature. It is a real movie made in 1922, cited as the first full-length documentary.

Meaning "master bear"
Indigenous American name for a polar bear deity that decided the success of a bear hunter.

a polar bear, mainly used as the mascot of University of Alaska Fairbanks hockey team

Nanook the snow monster protects the icy plains of Avantia.
One thump of her feet can crack a solid lake of ice!

Alaskan Fisherman or Whale Blubber Hunter. See also "Alaskan Trim Barricooter Attacker".