Final boss - The Doom Wiki at

The final boss (often informally called the Icon of Sin because of the Doom II level of which it is a part) is the final boss of Doom II, in MAP30: Icon of Sin.

Final boss - The Doom Wiki at

MAP30: Icon of Sin (Doom II), Doom Wiki

Dark Lord (Doom), Villains Wiki

Cyberdemon - Wikipedia

Spider Mastermind (Doom 2016), Doom Wiki

Marauder, Doom Wiki

Doom Slayer - SmashWiki, the Super Smash Bros. wiki

Sony PlayStation - The Doom Wiki at

Steam Community :: Guide :: Doom Eternal Religion Language

Doctor Doom - Wikipedia

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Dark Lord, Doom Wiki

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Boss, Doom Wiki