Sabaoth

[Sarah]

[Sabaoth] is the third boss in [Doom 3]
Sabaoth is actually Sergeant Kelly after his demonic transformation, his lower half was replaced with a tank like machine, his upper half is a twisted body, attached to [heavy machinery], holding BFG-9000.

[Dave Paprocki]

The hosts of heaven (in the biblical title “Lord (God) of Sabaoth”).