Karl Marx | Der Ring des Nibelungen | Karl Pilkington | Karl Lagerfeld | Karl G. Heider | Karl Rove | Karl Pearson | Karl May | Karl Liebknecht | Karl Friedrich Schinkel | Karl Dönitz | Karl Jenkins | Ring of Honor | The Fellowship of the Ring | The Ring (magazine) | Karl Stefanovic | Ring of Fire | The Ring | Ring | Karl Bodmer | The Lord of the Rings: The Fellowship of the Ring | ''The Ring'' | Karl Wilhelm Friedrich Schlegel | Karl Malone | Bull Ring, Birmingham | The Promise Ring | Ring 2 | Karl Wolf | Karl Valentin | Karl Popper |
In a 1977 review Paul Hellyer, a former Minister of National Defence, suggested other characters were strongly based on John Starnes, Bennett's boss, Solicitor General Jean-Pierre Goyer, Karl Kristian Ring, who he identifies as an arms dealer.