Ergu was the leader of the Tarls. He knew that the Fourth Doctor was wise. Leela knew how to deal with them. He mistrusted the Lecoyans because they were involved in the death of his son Hergat. (AUDIO: The Exxilons) Retrieved from "https://tardis.fandom.com/wiki/Ergu?oldid=2274779" Categories: Leaders Community content is available under CC-BY-SA unless otherwise noted.