Zvilpogghua, also known as the Feaster from the Stars, is a Great Old One created by Clark Ashton Smith.


Zvilpogghua is the son of the Great Old Ones Tsathoggua and Shathak, who was conceived on the planet of Yaksh (also known as Neptune to humans). He would later on spawn the Great Old One Sfatlicllp.

He usually appears as an armless, winged, bipedal toad that also has a long, rubbery neck and a face completely covered in tentacles. He dwells on the planet Yrautrom, that orbits the star Algol in the Perseus Constellation.

He was worshipped by the Native Americans as Ossadagiwah.


  • The entity was created by Clark Ashton Smith, but later expanded upon by August Derleth.
  • An alternative spelling of the name is "Zvilpoggua".


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