The Gumberoo (Megalogaster repercussus) is a fearsome critter told by the lumberjacks of emerging America in the 19th and early 20th centuries.
DescriptionThe Gumberoo is said to look like a fat bear in shape but completely hairless except for its prominent eyebrows and bristly hairs on its chin. Instead it has dark, smooth, and extremely tough leather-like skin. This makes the beast invulnerable to bullets and arrows. Anything shot at the beast, simply bounced off. Its weakness was fire and was the only known way to defeat it.
Gumberoo was also said to always be hungry and devoured anything it can find that looked like food. A whole horse may be eaten at one sitting, but its not enough.