The Lumen were the servants of the Lux on New Earth. Though they appeared to be robots, it became apparent that they were cyborgs. (AUDIO: Escape from New New York)
The Lumen were responsible for burning out a nest of birdkind. (AUDIO: The Skies of New Earth)
Behind the scenes
With the exception of Thorn, the Lumen were voiced by Dan Blaskey.