- You may be looking for the novel's other Cyber-Leader known as the Limehouse Lurker.
In November 1940, this second Cyber-Leader was revived by the Seventh Doctor, threatened by Captain Hartmann. The Cyber-Leader declared that all humans in the compound would be converted but the Doctor took control of the Cybermen using the Cyber command unit and ordered them to attack the Nazi soldiers. The Cyber-Leader quickly became a casualty of the ensuing battle. (PROSE: Illegal Alien)