I didn't make this. A guy on a sculpting forum I belong to did. It's a hybrid of Mother Brain from the Captain N cartoon and her final form in Super Metroid, and it's pure awesome.
Pictures of the sculpture:http://www.shiflettbrothers.com/forum/index.cfm?page=topic&topicID=5396&start=lastpage
YouTube photo of him making it:https://www.youtube.com/watch?v=SYabDArsEAU
Warning: The sculptor gave her bare breasts, so NSFW.