My D&D players have thought to create shields made of dragon scales and backpacks made of landshark hides. One even turned a giant gorilla tooth into a helmet. But apparently you don't have to get so exotic:

Texas man shoots armadillo, gets hit in face by bullet ricochet.

Of course this isn't news to comics fans.

Hey,fnord which comic book is the panel from? Thank you, in advance.

Captain America #316

Wrestling was wrestling back in those days. John Cena wouldn't have a chance against Armadillo.