Apeiron

Apeiron was one of the six founders of Time Lord society. His statue in the Panopticon was depicted as wearing spiny combat boots. (PDA: The Infinity Doctors)

Prior to Gallifrey's destruction, many Gallifreyan youths began believing in superstition, joining cults like that of Apeiron. Members of Apeiron's cult were called Devotees of Apeiron. (EDA: The Ancestor Cell)