A female Quarian from the Mass Effect series in a green inviro-suit (I chose the green color because I love green.)
If you want to create your own version in a diffrent color or something inform me before uploading it and give me credits on your skin's page and put a link to this skin's page so other people will be able to get here. if you'll follow these steps I'll might put a link to your skin as well.
Male Version: http://www.planetminecraft.com/skin/green-male-quarian-mass-effect/