This reminds me of some old Scooby doo episode where they were running from the big guy in the diving suit! I bet that is where they got their inspiration from when designing these guys! Someone tell me I'm wrong.

By the way, I'm not too sad about the idea that he is out there and I am not!
-S
PS. You can kind of get a feel on how the water twists and distorts the image in real time in this game (BioShock) through these screenshots.