Nyarath

Nyarath are creatures from the Generation 1 continuity family.

Harvey the Murder Hamster.

The Nyarath is a type of animal in Cobra-La's arsenal of biological weaponry. Their eggs resemble mushrooms, and let off spores that the mother Nyarath can track from several thousand miles away.

Fiction

Devil's Due G.I. Joe vs. the Transformers comics

In order to destroy the Autobot unit operating on Earth, Cobra-La paid Destro to lure them into a trap and infect them with Nyarath eggs. When the blissfully unaware Autobots subsequently returned to their base, Cobra-La used the mother Nyarath to track them down and send the Pretender Monsters to wipe them out. Black Horizon, Part 1 of 2