Just a doodle that, omg, I colored too!
My style sphinxes can be any color, and change color like a cuttlefish depending on mood but it's also voluntary. They return to their base colors upon relaxing. Patterns/stripes/spots are common. They have what appear to be two antlers branching off to either side of their head, but is actually a single antler sprouting from one spot in the center of their forehead. It sheds infrequently and increases in size when regrown. Can be any style/shape. Sphinxes also have a small pair of wings that are unusable for flight. They have excellent memory for lore, history, and riddles or useless facts. They are also hermaphroditic ;)