Doom references in other games - The Doom Wiki at

The popularity and longevity of Doom and its sequels have resulted in a large number of homages in other games. The following list consists of known references in games outside of the Doom series itself, including those made by id Software (such as in the Quake, Rage, and Wolfenstein series).

Super NES - The Doom Wiki at

Ballista, Doom Wiki

The Artifact, Doom Wiki

Pinky (Doom RPG), Doom Wiki

Doom II, Doom Wiki

Doom 3 protagonists - The Doom Wiki at

Kingdom Under Fire: Circle of Doom — StrategyWiki

Doom references in other games - The Doom Wiki at

Mancubus - The Doom Wiki at

Doom (film) - Wikipedia