Loose Canon is a comic that was released on July 2, 2010, three days before the announcement of the Engineer Update. It tells the story of how the initial wars between RED and BLU began, about brothers Redmond Mann and Blutarch Mann, and the roles that the Engineer and his family have played throughout the generations. It also features the first marked appearance of Australium. The comic is notable for building on the story of Zepheniah Mann and introducing Radigan Conagher. Loose Canon was illustrated by makani.


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