I've been doing some experimenting lately with various designs of Cthulhu idols, seeing how different I could make them while still staying true to the pulpy, tentacle-y description.
In addition to the six-eyed Cthulhu I made for my chess set (somewhat of a friendlier, smaller version of Big Squishy Cthulhu) I've been playing with designs based on various cephalopods or other critters. Six-eye Cthulhu is based somewhat on the Portuguese Man-o-war jellyfish.
I also have a Squid-thulhu:
An Ammonite-headed Cthulhu:
And a "classic" squishy octopus-head Cthulhu:
Stay tuned for more Cthulhu madness...