In season two's "The Ice Age Cometh" one-shot He-Man villain Icer features heavily in the snow-based episode. Towards the conclusion of the story Icer pursues the heroes, and from the image below you can see that this guy is no pushover; he's full of rage! However the image below shows him to be roaring, when in fact the sound that comes out is anything but!
For your listening pleasure, Icer's "roar."
(click on the image to see it at full-size)