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Deffdog was an operative affiliated with the Zionites. Deffdog served as leader of The Devoted before merging that group into The Trust. In both groups, Deffdog captained the Shadrack, a hovecraft noted for its large capacity and permanent cargo of one APU. Deffdog captained the Shadrack in the battle to secure Commander Jason Lock on the side of Zion and E Pluribus Neo.