31 Monstrous Failures #8: Thought Eater
The creators of Dungeons & Dragons soon ran out of “real” monsters like Chimeras and Manticores, and had to fill out the ranks with fiends from their own imaginations. Some were inspired, like the Beholder: a floating orb covered in magic-spewing eyestalks. But not all of them were as awesome as the Gelatinous Cube. Some were more like the…
From the original Monster Manual:
Thought eaters are dwellers in the ether. Their senses, however, extend into the physical plane, and any psionic or psionic-related energy use in either area will attract their attention (range of ability or magic equals attraction range). The thought eater appears to be something like a sickly gray, skeletal-bodied, enormous headed platypus to those who are able to observe it. Its webbed paws allow it to swim through the ether.
Somehow, I don’t see slayers of sickly, skeletal platypuses becoming heroes of legend.