Archibald, Earl of Douglas
Douglas or, "the Douglas" is a Scottish rebel. He's captured in battle by Hotspur at the beginning of the play, but is freed without ransom to join the Percy family's rebellion against the king. A courageous warrior, he kills Walter Blunt and is close to killing King Henry when Prince Hal intervenes. Douglas is captured by the king's forces at Shrewsbury, but is released for demonstrating bravery and honor on the battlefield.