Honestly Dan (or Sam.. they are twins and I don't remember which one named this) said it was a cross between a snail and a dragon, (snailgon), but then I had him spell it for me and he said "snailgen" but I liked the way it looked with an "i" better.
That's eirewolfcreations.deviantart.c… 's art! Though she is attributed so it's not like someone stole it. I don't quite get the SCP wiki. People show it to me occasionally, but I never quite get it. Then again, I don't quite get Nightvale either.