scout: demon soldier: cyberdemon pyro: cacodemon demoman: spider mastermind or revenant. heavy: mancubus. I mean, who else but that big badass? engineer: pain elemental medic: archvile sniper: imp ( i know revenant's rockets are kinda like a sniper rifle, but I have noticed that imps can see players, even from VERY far away. I even tried an imp out on one end of DIS and me on the other.) spy: spectre
SENTRY GUN: a chaingun powered by a machine, and the chaingun has 2 chainguns at level 2, level 3 has a rocket launcher out of the back of the machine DISPENSER: a weird portal like machine that has a pentagram acting like a sort of hologram type thing, level 2 the pentagram has a soulsphere face in the center, level 3 it has a megasphere face and the pentagram spins rapidly.
TELEPORTER: basic doom teleporter, exept with pipes and mechanical feet or holders going into the ground, level 2 has a glowing eye, level 3 has a pentagram and green fire like baron of hell's fireballs flying around it.
SMALL: health bonus bottle.
PAYLOAD CARTS: a rocket launcher rocket skin.
CLOSETS: DOOM style doors
SMALL: ammo clip
MEDIUM: ammo clip and shotgun shells
LARGE: Ammo clip, shotgun shells, Rocket boxes, and energy cells.
Let me see these Doom monsters... Pinky Demon as the Scout Revenant as the Sniper Baron of Hell as the Soldier Pain Elemental as the Engineer Cacodemon as the Pyro Spider Mastermind as the Medic Arch-Vile as the Spy Imp as the Demoman and Mancubus as the Heavy.