We didn't have room for Sean McFarland's piece in this week's The Line It Is Drawn (which is about paying tribute to the characters and designs that will no longer be around when the DC Universe relaunches next week - you can see what the other artists drew here). So now you can see Sean's depiction of tgraham21's suggestion of:
King Shark undergoes whatever freaky transformation it takes to makehim a hammerhead.
(Click on the image to enlarge)
Great job, Sean!!!