Actually, since Hyper Sonic appeared back in the times where Sonic's eyes were black and Super Sonic's eyes were green, Hyper Sonic also had green eyes. Sure, if he appeared these days I'm sure he'd have red eyes. But the fact of the matter is he hasn't.
He was termed Nazo, because noone knew anything about him. He never appeared in the series. There have been theories of it beng Hyper Sonic, a Super Sonic prototype, or a brand new character altogether.
Hm. The effort seems good, though, in my opinion, his quills seem way too big, and his head itself to small..the same goes with his body, and his arm has an odd widthining in the middle of his arm. o.o; and he also appears to have only one arm and foot.