As I understand it, a Sander Cohen figurine designed by 2K Boston's artist Robb Waters, sculpted by Patch Together, and given as gifts to 2K employees. There are several photos of the figure in this set. Via these sites.
And a few more links:
1. Only a few hours left to submit a Scribblenauts-themed work of art.
2. Prints are $10 at Threadless right now.
3. Go here to try to win a delightfully strange toy.
*Previously: Bioshock doll and desktop wallpaper.
*Buy Bioshock toys at eBay.