I did not realize that Greeks were blonde.
It is believed that the early Greeks were blond. My friend and all his cousins were blond at birth, and became dark haired by 12.
The Sphinx is not a lion's body, but most like a dog's body. I support the idea of the Dog Star Sirius and the Sphinx being in honor of the star.
The Sphinx and Great Pyramids are most likely 10,000 b.c. or greater and have nothing to do with historical Egypt.