The Library of the Uncommons

Jürgen Hubert quoted Schlesische Sagen 1 - Spuk- und Gespenstersagen by Richard Kühnau (Schlesische Sagen, #1)

No cover — Richard Kühnau: Schlesische Sagen 1 - Spuk- und Gespenstersagen (1910, B.G. Teubner)

One evening, a man from Deutsch-Petersdorf went home from Wichstadtel on the so-called "Scheibenweg" road. Suddenly, he saw a barrel with fiery eyes in front of him. He turned around and wanted to go back to Wichstadtel, and then he saw the monster before him once more...

— Schlesische Sagen 1 - Spuk- und Gespenstersagen by Richard Kühnau (Schlesische Sagen, #1)

Here's a critter that probably hasnt shown up in a #dnd / #ttrpg monster collection before!

I would not rule out an appearance in the #Pokemon franchise, however...