MacAdder (played by Rowan Atkinson) is the nearly identical — though red-haired — Scottish cousin of Mr. E. Blackadder. He is known as being the "most dangerous man ever to wear a skirt in Europe". He believes he is rightful king of England and plans to incite rebellion, meaning his cousin hates him.

A great memorable quote from the Black Adder the Third movie on Quotes.net - Blackadder: He's madder than Mad Jack McMad, the winner of last year's "Mr. Madman" competition.

Duel and Duality: Directed by Mandie Fletcher. With Rowan Atkinson, Tony Robinson, Hugh Laurie, Helen Atkinson Wood. Blackadder's militant cousin McAdder arrives in London as the Prince Regent seduces some relatives of the fiery Duke of Wellington.

Blackadder : He's madder than Mad Jack McMad, the winner of last year's "Mr. Madman" competition.

Mad Gerald (Rik Mayall) – a one-time cellmate of Prince Edmund whilst the latter was waiting to be eaten alive by snails, he had two friends: Mr Rat and Mr Key, which Gerald made from his own teeth ("The Black Seal").

Dec 8, 2012 · E: My mad cousin McAdder. The most dangerous man ever to wear a skirt in Europe. B: Yeah, he come in here playing the bag-pipes, then he made a haggis, sang Auld Lang Sayne and punched me in the face. E: Why? B: Because I called him a knock-kneed Scottish pillock. E: An unwise action, Baldrick, since Mad McAdder is a homicidal maniac.

Blackadder: He's madder than Mad Jack McMad, the winner of last year's "Mr. Madman" competition.

Why don't I pretend to be the Duke of Wellington and kill the Prince of Wales in a duel? Then I could kill the King and be crowned with the ancient stone bonnet of McAdder. Mrs. Miggins: And I shall wear the granite gown and limestone bodice of MacMiggins, Queen of all the herds. Edmund Blackadder: Look, for God's sake, McAdder, you're not Rob Roy.

What do you think? Mad McAdder, Cousin of Edmund Blackadder, Esq: Fourteen shillings and six-pence? Well, it's tempting. But I've got an even better plan. Why don't I pretend to be the Duke of Wellington and kill the Prince of Wales in a duel? Then I could kill the King and be crowned with the ancient stone bonnet of McAdder.

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