For about 5 or 6 years I've had an idea for an MMO of sorts featuring various monsters and demons as the playable characters. Out of the 8 races I originally thought up the Nur'G is one of the few that have kept a consistent design.
In my idea every races society functioned differently, some were matriarchal some were patriarchal and some were equal, one was a merchant race another was a soldier race and the Nur'gs were natural born hunters, etc etc. This is the male of the race, humanoid and grotesque. They differ in appearance greatly from the females of the race due to a symbiotic organism that feeds off the Nur'g equivalent of testosterone and alters the physiology of the host so it can function better. The parasites major organs and brain reside within the abdominal cavity and the eye growing out of the crotch relays information both to the host and the parasite. The tendrils growing out of the forearms are used by the parasite to defend it's host. It does not have the reasoning capabilities on its own to distinguish between friend and foe so the Nur'gs have encased the forearms with a bag made of a material similar to rubber with a zipper or some form of locking mechanism (I like the zipper look but it seems impractical). The eye sockets of the host have been converted to heat sensory organs and the mouth covered in strips of flesh and a poison filtering screen of specialized tendrils which can be broken to eat food and regrows almost instantly after. I haven't decided on a foot design but the remnants of it's old form would be most prevalent in the feet and area around the feet. The tendrils within the arm bags are constantly writhing and stabbing wildly because the parasite views the bag as a threat. Releasing the tendrils from the bag causes them to lash out like a whip and stab into and drain life from the target. I'll explain more about the race itself instead of the parasite if/when I draw the female of the Nur'gs.