* CompleteMonster: Markoff, Stevens and Krax. They all do some pretty cruel things throughout the course of the novel, but Markoff and Stevens definitely reach the [[MoralEventHorizon Moral Event Horizon]] in the novel's epilogue when they [[spoiler: force Michael Altman to fight off their new Necromorph type (which happens to have been partially created from Krax after Markoff decided he was "expendable") ''with a spoon'', while they watch from above drinking champagne and grinning to each other.]]
* MoralEventHorizon: Markoff and Stevens [[spoiler: killing Michael Altman.]]
* TheWoobie: Michael Altman