Answer:
Disgusting creatures that would survive a nuclear strike.
It has plenty of backbone but doesn't have a let. It peels like an orange but it comes from an egg.
Creeping on its belly, curled into a ring. Eyes forever open, beware its lethal sting
I have a powerful bite and live in rivers and swamps. People are often afraid of my big jaws. What am I?
Holding two swords and eight spears. Dressed in a cow-leather tunic. He peeks through a hole in the door.
You use it between your head and your toes, the more it works the thinner it grows.