Doom 3 - The Doom Wiki at

Doom 3 is a science fiction horror first-person shooter computer game developed by id Software and originally published by Activision.

J. Yezback, Doom Wiki

Pierce Rogers, Doom Wiki

Doom (2016 video game) - Wikipedia

Pistol (Doom 3) - The Doom Wiki at

Doom 3: The Black Sheep of the Most Iconic Shooter Franchise, by Alex Rowe

Doom Slayer/Doom 3, Doom Wiki

Doom 3: Resurrection of Evil, Doom Wiki

Mancubus - The Doom Wiki at

Doom 3 - Wikipedia

Cyberdemon (Doom 3), Doom Wiki

Megahealth - The Doom Wiki at

Doom 3: BFG Edition, Doom Wiki

Arch-vile (Doom 3) - The Doom Wiki at

Player, Doom Wiki