I've been messing around with the creature creator a bit a now have 14 creatures uploaded to the sporepedia.
My Spore Page
I was able to do a seraph with three sets of wings. Two cover its face, two its "legs" and two are for flying.
I couldn't pull off a chayah as described in Zeke's vision of the merkavah. The way the editor works the creature is always going to be mostly symmetrical. I would have had to stack the faces and adding all of the mouths was filling up my complexity meter very quickly. I don't think I'll be able to do an ophan either. It's just not possible to get a body shape that's wheel-like. Actually, I might try making a thin body and wind it around itself into a circle.
Most of my creatures don't have mythical inspiration though. Some are legitimate attempts at creating creatures and others are me trying to push the limits of the procedural animation. My favorites that I've made are probably Thrashalot, Starik, Zwogris and Impostizzo.
I've been amazed by the amount of creativity in the Spore community. A quick search in the sporepedia for most of the search words I've tried has brought up incredible results. I've even seen some inanimate objects and robots.
This is a chair creature:
Sporepedia
Starman from Earthbound:
Sporepedia
I've seen puppeteers from ringworld, beholders, homer simpsons, dr. robotniks, house plants. It's madness!