|Grand Admiral Blackadder|
|Occupation||Grand Admiral, ruler of the universe|
|First appearance||Blackadder's Christmas Carol|
|Last appearance||Blackadder's Christmas Carol|
|Episode count||1 Special|
|Played by||Rowan Atkinson|
Grand Admiral Blackadder is a descendant of Ebenezer Blackadder, in a future where he turned evil. Blackadder was the Thrice-endowed Supreme Donkey of the Trouserpod, Lord of the High-Slung Bottoms of Zob, and Grand Admiral of the Dark Segment of Queen Asphyxia XIX's fleet. He killed Asphyxia's three husbandoids, opening the position for himself and becoming the ruler of the universe.