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Gumberoo as of now

The Gumberoo (Megalogaster repercussus) is a fearsome critter told by the lumberjacks of emerging America in the 19th and early 20th centuries.


The 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 it's not enough.

In the 2015 version of Fearsome Creatures, the Gumberoo now has thirteen limbs, ten arms and three legs. Its diet is omnivorous physically and literally. The bear is NOT a gentle giant. After being burned, if a human inhales the particles of the beast, the organs will get coated with rubber, which is easily misdiagnosed as tuberculosis. The Timberdoodle, a dog with big bug eyes (not insect) and humanoid teeth that clamps down its teeth and will not let go until thunder is heard, is the second weakness of the Gumberoo and the only animal the bear fears. Because of this, the Gumberoo is a coward when its rubbery skin is bitten. Its scientific name is Triskaidecapus elastica.



Gumberoos make their dens in the bases of huge, burned-out cedar trees. The creature spends most of its time in a state of hibernation, only leaving its lair a few times a year to search for food. When active, the gumberoo is always hungry and will eat any living creature that crosses its path.


There have been numerous reports of gumberoos.

What a Gumberoo might look like in real life.

Further reading

"The Gumberoo" from Fearsome Creatures of the Lumberwoods (1910) by William T. Cox

"The Gumberoo" from Fearsome Critters (1939) by Henry H. Tryon