I love the way he came out. Great colors gradients and the joints look superb (more on that momentarily). However I think he could use wings, or a mane/back tines since the horns are so imposing that he seems a bit naked along his back. Or even a tail spike or some tuft somewhere.
Now back to the joints, You really out did yourself with his legs and feet. He is so dainty. Absolutely impressive. And the eyes look wonderful as well. I don't even know why I am writing all this since your work is great.
I suppose my only real critique is to keep it up and take more risks and add complicated features to your dolls that have so many joints.
But all in all he is a cutie and a good choice to keep for yourself!