[@Cold Hands] I'm leery of the idea of them as of yet. The Darkness in Middle Earth is newly defeated and things are very chaotic as it is. Balrogs would need to be raised by another Dark Lord. Werewolves may exist, but far to the North and few in number. Dragons would be the same as Werewolves. I'll research it, but I promise nothing and will not grant these as playable races.

Also for a son of Morgoth/Sauron? No. Just no. Thing are crazy enough and that just goes beyond it.

Also a man from Rhun? Absolutely. A knight of Dol Amroth? Sure thing! Though make sure there is a good reason for them to be wandering about Arda.