Um... Clouds eyes are deffinatly blue... If you own the game and the walkthrough, just open it up and look at his eyes... And hey! Their blue! They have a Mako Glow to them, not Mako Green. Sephiroth was born with green eyes cause his mother has green eyes. They glow cause of the mako, and they have cat slits because of the mass amount of jenova cells in his blood that Hojo was constantly injecting into him.

Just look at the little instruction manual that comes with the game or the square enix Official Strategy Guide where they state his official stats. B.L.U.E