3. Enemies

Master the demons of Doom! This guide details every enemy, from Zombiemen to Barons of Hell, including their attacks, weaknesses, and first appearances. Essential for any Doom player.

This guide details the enemies encountered in Doom. Note that the first level of appearance for enemies is on the skill level "Ultra Violence" unless otherwise specified. Enemies are listed with their first appearance in the original Doom and Doom II.

• Zombieman — Basic, weak former marines firing pistol bullets. Can be taken down with any weapon. First found in Doom: Level 1 (Hangar). First found in Doom II: Level 31 (Entryway).
• Shotgun Guy — Slightly stronger than Zombiemen, wielding shotguns that deal significant damage. Glows briefly when firing, aiding in dark rooms. . First found in Doom II: Level 32 (Underhalls).
• Heavy Weapon Dude — Carries a Chaingun and can quickly wear down players. Any weapon except the Pistol can defeat them in one hit. Common on harder skill levels. . First found in Doom II: Level 33 (The Gantlet).
• Imp — Small, brown monsters that shoot fireballs from a distance or scratch up close. Attacks are weak. Can be defeated in one hit by most weapons (except Pistol/Fist without Berserk). . First found in Doom II: Level 31 (Entryway).
• Demon — Pink, bull-like creatures that charge and bite. Their bite can be very damaging on higher difficulties. Best engaged from a distance with any weapon, or up close with a Chaingun or Chainsaw. First found in Doom: Level 3 (Toxin Refinery). First found in Doom II: Level 32 (Underhalls).
• Spectre — Nearly invisible, gray, blurry versions of Demons. Attack by biting, which can be painful on harder difficulties. Similar weaknesses to Demons: any weapon from afar, Chaingun or Chainsaw up close. First found in Doom: Level 2 (Plant). First found in Doom II: Level 34 (The Focus).
• Nightmare Spectre — Darker, harder-to-kill versions of Spectres. More powerful and faster. Require at least a Super Shotgun to defeat. Blue-ish black color. First found in Doom: Level 5 (Phobos Lab). Not remembered in Doom II.
• Lost Soul — Flying, fiery enemies that charge at players. Often appear in groups, sometimes emerging from Pain Elementals. Can be defeated quickly by most weapons (except Pistol, Fist, or Chainsaw). . First found in Doom II: Level 35 (The Waste Tunnels).
• Cacodemon — Large, red, flying demons with one eye. Attack with fireballs or a damaging bite up close. Chaingun and Chainsaw are effective, preventing them from attacking. First found in Doom: Level 9 (Deimos Anomaly). .
• Hell Knight — Tall, light-colored enemies with two attack methods: shooting green fireballs or scratching up close. Both attacks are potent on hard skill levels. Can be defeated with 3 rockets, 3 Super Shotgun shells, Plasma Gun, or BFG. . .
• Baron of Hell — Darker pink than Hell Knights, these are tougher and their attacks (fireball and close-range scratch) are more damaging. Require powerful weapons like Rocket Launcher, Plasma Gun, or BFG for efficient takedowns. . .