Other than their looks, obviously.
Doom 64 Reverse Engineering on GitHub:
https://github.com/Erick194/DOOM64-RE
Patreon:
https://www.patreon.com/decino
YouTube membership:
https://www.youtube.com/channel/UCJ8V9aiz50m6NVn0ix5v8RQ/join
00:00 Intro
00:13 Zombieman
01:12 Shotgunner
01:55 Chaingunner
02:01 Imp
02:56 Nightmare Imp
03:34 Pinky
04:31 Spectre
04:48 Lost Soul
06:16 Cacodemon
07:07 Hell Knight
07:52 Baron of Hell
08:04 Arachnotron
09:17 Pain Elemental
10:35 Revenant
11:06 Mancubus
11:53 Arch-vile
11:59 Spider Mastermind
12:05 Cyberdemon
12:59 Cinematic Cyberdemon
13:49 Player Bot
14:48 Explosive Barrel
15:24 Mother Demon
17:36 Outro