Carter - Hammil's Valet is exposed as the hidden criminal behind the invisibility scheme. He arranged for his twin to be killed so the police would believe he was dead, while the fingerprints on the body revealed the deception. His secret operation is ultimately uncovered by Batman and Robin.
Minion or antagonist associate in Fangs of the Arctic.
A fellow Space Ranger who assists Rocky and the crew in their interplanetary work.
The ruthless leader of a counterfeiting ring who operates out of his bar. He hires the undercover Rangers to launder stolen gold, suspects internal informants after a thwarted raid, and personally executes an undercover agent. He reveals his operation's secrets to trap his enemies and flees during the final shootout.
Supporting character in the crime plot.
Local or accomplice involved in the stage robbery conspiracy.
A professor associated with the high-school setting and its adult community.
A Space Ranger involved in the diplomatic hostage exchange in Silver Needle in the Sky.
Uncredited background character appearing in a specific episode. Limited narrative impact.
Prince Jehan's chief advisor and co-conspirator in the plot to stage false-flag attacks against British caravans. He assists Jehan's schemes until he is killed by Suzanne Roget during the climactic battle.
Leonard Penn has 70 screen credits in a career dating back to 1937. Their work spans 10 cinematic universes — most prominently Rocky Jones Collection with 3 titles. Signature works include King of the Congo, The Ship That Died, Law of the Badlands. Explore the interactive character relationship maps on each title page to trace how their roles connect across franchises.
Universe traveler — spans 10 universes
