dynamics? animation? I thought this was a MODEL competition... but that's not a bad idea anyway.
What about a deep sea creature - eg: a giant squid, a whale, one of those fish with glowing dangly bits, a clam or even an extinct plesiosaur. These have potential for some COOL texturing too!
Take a glance at my <a href="https://forums.simplymaya.com/showthread.php?s=&threadid=9428"><b>Porsche 959</b></a> WIP