The Slayer takes off his helmet, 13 skins. Doom Eternal: The Ancient Gods - Part Two Final Scene
Episode from the final scene of the second DLC which reveals the Slayer's face (officially) for 13 different skins:
00:00 Default
00:56 Praetor
01:54 Classic Doom Marine
02:50 Sentinel
03:47 Funny Bone
04:42 Cosplay Slayer
05:38 Santa Slayer
06:35 Maykr Slayer
07:31 Mullet Slayer
08:28 Demonic Slayer
09:24 Zombie Slayer
10:21 Cultist Slayer
11:17 Barbarian