A cat-- er.. fox?? .. like gootrax that loves to hide itself on the inside of hazmat suits. While they do avoid attacking humans, they do like striking when a human is weakened. They are harmless if a subject is healthy, although. Hazzy appear to hold grudges on humans who attack them. Many can be seen wearing hazmat suits, and using items around the facility as weapons to attack those unfortunate enough to have picked a fight with them.