== Characteristics ===== Intelligence and attitude ===The Master and the Doctor are shown to have similar levels of intelligence, and were classmates on Gallifrey, wherein the Master outperformed the Doctor.
== Características ===== Inteligencia y actitud ===El Amo y el Doctor muestran niveles similares de inteligencia y fueron compañeros de clase en Gallifrey, donde el Amo solía sobrepasar al Doctor.