Slyne

 was the Castellan of Gallifrey. He was concerned for Romana II's safety and assigned Lukas to guard her. He didn't particularly like Romana. He noticed that she and Narvin were different to what they were before the assassination attempt. (AUDIO: Emanciptaion)

He called Romana away from a science conference for her to meet Kavil. (AUDIO: Evolution) He later led the expedition to Leela's township to get Lord Zakar back from her. After Narvin played the footage of Zacker's orders to commit murder, he arrested Zakar. (AUDIO: Arbitration)

When Romana called the Chancellory Guard, he warned the Daleks of their firepower, and wanted to know who they were. He called them stupid machines and wondered where they came from. The Daleks wanted to keep him them to disrupt the Guards confused. Romana told him the Daleks one weakness, their Eyestalk. He declared war upon the Daleks. (AUDIO: Extermination)