Crawler Zombie

Crawler Zombies (also called Gas Zombies, Nova Zombies,Nova Crawlers, Nova Monkeys, Little Piggies, or Creepy Crawlers in Dead Ops Arcade) are a special type of Zombie featured in Call of Duty: Black Ops, Call of Duty: Black Ops III, Call of Duty: Black Ops 4 and Zombie Labs. According to Edward Richtofen, they are failed experiments.

In When the Cold Breeze Blows Away, they are created as failed experiments by the Group 935's Maxis, and also they can be created in a unknown experiment in Group P365's schemes

Not only appeared in the zombie locations from the Earth after the Group 935's failed experiment, and also located in enter an locations of Canterlot City,Gerasecia, Equestria, locations of other world and Camp Everfree after the Group P365's unknown experiment