The Swarm
The Swarm was a parasitic, virus-like entity which could assume many forms.
Biology
The Swarm was like a disease. It could spread through electrical pulses which needed to make contact with a victim’s eyes. Once infected, the victim would become an agent of the Swarm, answering to a Nucleus. An infected lifeform could be recognized by the growing of grey filaments around their eyes and hands. The swarm could also infect non-living sentients such as robots.
Appearances
The Invisible Enemy (TV)
Revenge of the Swarm (audio)