You may be looking for Calcula (Innocence). Calcula was a guardian of observers. He saved Adric and Zaria. He was based on how the Fifth Doctor viewed Adric. (AUDIO: Psychodrome) Retrieved from "https://tardis.fandom.com/wiki/Calcula_(Psychodrome)?oldid=2730026" Categories: Artificial beings + cat Cancel Save Community content is available under CC-BY-SA unless otherwise noted.