From the release:
Acheson Creations announces the arrival of the next in their line of Kaiju Kaos Products - the Giant Serum Z Muncher, priced at $2.00USD (unpainted only at this time).
Serum Z has changed the face of the battlefield since its accidental creation by Dr. Kaos. Able to affect nearly every living thing on the planet, Serum Z has infiltrated the ranks of the Sinister Scarecrows and Serum Z has changed the face of the battlefield since it created flesh-hungry Serum Z Zombies now serving AnCon Annie.
Serum Z Pumpkin Munchers follow all rules for Undead models
This Serum A. Muncher is sculpted by Bryan Borgman and is 500mm (2 inches) in diameter with its integral Size 2 base.