Dean was a specialized Combat android designed for the primary purpose of eliminating Xenomorphs. A monstrous android of gargantuan size, Dean served as a security synthetic on doctor Caspar Nordling's research facility, and would regularly be sent to deal with potential Xenomorph outbreaks, pacifying the creatures with extreme prejudice. Dean ultimately assisted fellow synthetic Jeri in holding off a large Xenomorph horde, helping supply runners Philip and Joy Strunk escape from the facility.