As an expert in the field of Cybernetics, Robertus Centauri has long been a prominent name amongst the ranks of the Doctors, and now uses that influence to help steer the focus of their primate liberation efforts. A child of the Zealot caste of Apskellion Space Apes, Robertus was left behind in a conflict with the Doctors and was taken into their care and raised as one of their own, but waits for the day that they can break free and return to their own people. Now, with the fate of the Earth primates in the balance, Robertus and the Doctors will do what is needed to liberate them from their captivity.