Blackadder a vulgar friend in his first appearance and then a successful rival of Blackadder in a later episode of series 2 and 4. He also played a decidedly Flashheart-like Robin Hood in "Back & Forth". Lee Cornes also appeared in an episode of all three Curtis-Elton series. He appeared as a guard in the episode "Chains" of "Blackadder II"; as the poet Shelley in the episode "Ink and Incapability' of "Blackadder the Third"; and as firing squad soldier Private Fraser in the episode "Corporal Punishment" of "Blackadder Goes Forth". More established actors, some at the veteran stage of their careers,
Blackadder Goes Forth in the same episode, Blackadder describes the Great War as: "a war which would be a damn sight simpler if we just stayed in England and shot fifty thousand of our men a week." Field Marshal Sir Douglas Haig, whose orders are alleged to have resulted in hundreds of thousands of British deaths at Passchendaele and the Somme, is continually referenced. Blackadder himself describes Haig's attempts at an advance as no more than "another gargantuan effort to move his drinks cabinet six inches closer to Berlin". In "Goodbyeee", a scene parodies Haig's professional abilities by depicting the Field Marshal playing