Zanthus Pia
From Tardis Wiki, the free Doctor Who reference
Zanthus Pia was the head of the Galactic Peace Commission. He was murdered by Ahab, Ahab then travelled to the year 2050 where K-9 who witnessed the murder resided. Due to his damaged memory Ahab was able to frame him for the murder and K-9 himself believed it and surrendered himself. However when the device Ahab used on K-9 to drag him caused some of his memory of Zanthus to be restored he found out the truth and managed to defeat Ahab.(K9TV: The Bounty Hunter)