

Streeler venom was a known substance that could kill Horklumps. Horklumps were the favourite food of the gnome. Horklumps were very fast breeders and could cover an average-sized garden in only a few days. Their preferred prey was the earthworm, which they hunted using the thin, muscular tentacles that they spread underground (similar to how fungi spread mycelia). Horklumps that have been plucked up from the ground Despite their fungi-like appearance, Horklumps were animals. They resembled fleshy pink mushrooms covered in a sparse scattering of coarse black bristles.

Horklumps originated in Scandinavia, but eventually spread throughout northern Europe, and could be found in Scotland by 1991.
