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.

Mancubus - The Doom Wiki at

SpongeBob SquarePants featuring Nicktoons: Globs of Doom - Wikipedia

Chex Quest - Wikipedia

Cyberdemon (Doom 2016), Doom Wiki

Icon of Sin (Doom Eternal) - The Doom Wiki at

Arch-vile - The Doom Wiki at

Mother Demon, Doom Wiki

Mighty Doom Review (iOS, Android) .

Icon of Sin (Doom Eternal), Doom Wiki

Pain elemental - The Doom Wiki at

Armored Baron, Doom Wiki

Devil Doom, Sonic Wiki Zone

Smithy - Super Mario Wiki, the Mario encyclopedia

Romero's Head, Doom Wiki

Commander Keen - The Doom Wiki at