Henry Stafford was a friend of Richard III of England. He wanted to kill Earl Rivers, and then kill the prince. In 1485, he was imprisoned for treason and told the Fifth Doctor about when he met Erimem and Peri Brown, in 1483. He told the Doctor that Richard became unnerved after seeing the young king's body. He didn't trust Mr Seyton. (AUDIO: The Kingmaker)
Buckingham was featured as a character in William Shakespeare's play Richard III. (COMIC: The Good Soldier, AUDIO: The Kingmaker) In the 1954 film adaptation of the play entitled Tricky Dicky!, he was referred to as "Bucky" and portrayed by Mickey Rooney. (COMIC: The Good Soldier)