User blog comment:SonOfZeus1200/The Camp Half-Blood & Kane Chronicles Series will collide!/@comment-71.188.22.192-20120530235559/@comment-5112532-20120531085455

Yes, but Sphinxes turn up in Greek and Egyptian mythology but the difference is, that Egyptian sphinx are nice and guard the Pharoh's tomb etc. whereas as the Greek sphinx is more evil like the one in the Labyrinth.