|First appearance||The Kur Stone:Part One|
Tirisuk is a giant arctic Liopleurodon-like creature first seen in photographs in The Kur Stone:Part One.
It has also been seen as a centipede-like creature. It is supposed to live in Alaska and Canada and is often mentioned in Native Americans myths and legends.
It eats meat, including seals, whales, walrus, and sometimes humans. It has been known to knock over native hunting boats.