The Eskimo Norns have a "icy" (and somewhat "transparent") look. Their genome is based on that of the normal ChiChi Norn. They were created by Mummy and can be downloaded at Mummy's Creatures.
The sprites occupy Geat slot E.
Have you been having trouble with Eskimo Norn eggs being laid by the Ettin Mother? Don has made a patch to fix this - get it here, at WebPetz!