Interesting! A Kroton!
I never noticed they were legless like the Daleks. Seems the series tried to repeat the success of the Pepperpots by creating other robotic adversaries…the Krotons, the Quarks, the Mechanoids, the Chumblies. Old time viewers and “serious” fans remember these other attempts, but they just didn’t have the staying power of the Daleks.
Decided to pull out Imrie’s TARDIS and my Bruce Forsythe Doctor (intended to resemble Peter Cushing’s version, but various people said it looked like another well known British celebrity). While puttering with it, I had an idea. I plugged the police bos “banners” into the ambient channel to make them appear illuminated. By themselves, the whle surface area glowed, not really what I wanted. But by bridging the connection with a subtractive math node, the blue darkened to black and allowed only the letters to glow. I’m rather pleased with the final effect