 The first incarnation of the character was a caricature of George , Prince of Wales , serving as the main antagonist of the third series . The second , Lt. The Hon. George Colthurst St <unk> , was a young officer in the British Army during World War I , a supporting protagonist in the fourth series . Both portrayals were of " dim @-@ witted upper @-@ class <unk> " , who depended greatly on Edmund Blackadder ( Rowan Atkinson ) . The character garnered positive responses from critics . 
