Don't let that long hair and fine features fool you; Final Fantasy VII's Sephiroth is definitely a dude. http://www.kotaku.com.au/2012/01/the-very-best-in-cosplay-crystal-graziano"><a href="Crystal Graziano is definitely not.
The cosplayer recently tried her hand (sword?) at Sephiroth. The result, above, is Lady Sephiroth. And it so works.