Arctic ice hound

From Halopedia, the Halo wiki

A fan-made image of Mister Chief created for use in Template:Realworld.
This article contains information about a non-canonical subject that, while official, is not part of the established Halo universe.
Arctic Ice Hound.

The arctic ice hound is a creature that has appeared in the concept art for Halo Wars. It was ultimately cut from the final game.[1]

It has large fangs and blue-tinted skin. Other characteristics include its white, pupil-less eyes and its apparent lack of fur and ears.