Jonathan Ferguson, a weapons expert and Keeper of Firearms & Artillery at the Royal Armouries, breaks down the guns from Bloodborne, including the classic Evelyn pistol, the Boom Hammer, and a handheld Cannon! Jonathan Ferguson, a weapons expert and Keeper of Firearms & Artillery at the Royal Armouries, breaks down the guns from Bloodborne, including the classic Evelyn pistol, the Boom Hammer, and a handheld Cannon!