Carcharodon carcharias. The Great White Shark. The most famous shark species in the world, has been fused with human dna!
The result is a human with sharp teeth that constantly replace themselves if they fall out, amazing swimming skills and an ability to breathe underwater, super strength in it's jaws and a voracious appetite for anything it can lay it's hands on!
Ripster hasn't got a chance!
http://www.imvu.com/shop/product.php?products_id=1640830 - Matching Eyes.