I've said before that I like it when the nonhuman races and creatures are depicted as legitimately alien, rather than just regular folks with pointy ears and a bit of fur and what have you. As an experiment, I put up a mind map about all the ways Peal's nonhumanity affects his character. I was delighted when I could trace just about
all of him to him being what he was.
Here is the full thing if you'd like to learn more of him. Truthfully it ended up as a bit of a mess.