Byzar Janto

 was the de facto medical officer for Koth's forces. He couldn't remember what happened to the previous one, but was sure he was fat. He wasn't as sure about the revolution as the rest of his forces. He noticed that since C'rizz was terrifyingly trusted that his race, the Eutermesans, were dwindling in numbers. He helped the Eighth Doctor discover what he needed in the fungus. He told the Doctor that no-one wanted to leave the caves. (AUDIO: The Twilight Kingdom)