Black Fog Elves
Here is the owner of the teaser wing I posted a couple of days ago--it's a msd sized Elf and according to the backstory, "An Evil Elf". I actually read the name as "Black Frog Elf" at first, so the tiny fangs were sort of "wut?"
Well, you can see how evil these elves are. I bet they secretly eat lollipops. And pet kittens. (Shh, I won't tell). The human version girl elf is particularily cute. Anyway, you can go see their bad selves here:
Here are the sizes from the Soom FAQ, too: