I was trying to figure out what were a walrus' defining features other than obviously being huuuuuuuuge, having tusks and possibly the whiskers.
Looking through pictures, I decided that not only is it the blubber that makes them how they are, it's the wrinkles it creates. So I've decided I need to incorporate wrinkles in there definitely. The first character that came to mind was the gorgeous 'Witch of the Waste' from Howl's Moving Castle.
Here's a picture of her in all her beauty.