The Cast Showoff: At one point Martin simultaneously (if briefly) juggles, tap-dances and sings, and also walks upside down on his hands (and briefly on one hand), all things Martin can do in real life.
The character of Doctor Michael Hfuhruhurr inspired the name of a minor Superman villain three years later; Hfuhruhurr the Word-Bringer, who removes brains from the living and keeps them on his ship to form a vast telepathic Union.