Your duty has always been to die, soldier!
— Sabaoth on the boss level
Thomas Kelly
Others Sabaoth
Personal information
Species Human (originally)

Demonic Cyborg (after his transformation)

Gender Male
Place of origin Earth
Occupation Sergeant
Current status Deceased
Body type Humanoid
Sentience Sentient
Sapience Sapient
Behind the Scenes
Universe Doom
Performed by Neil Ross

Master Sergeant Thomas Kelly (later known as Sabaoth), is one of the first characters the player meets with and the secondary antagonist of the game Doom 3. He was the commanding officer at Mars City, who gets transformed into a demon with parts of a tank replacing his lower torso.

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