skos:altLabel | - the protagonist
- John Kane
- the same character
- B.J. Blazkowicz III
- Doom Guy
- Doom Guy/Doom Slayer
- Doom Slayer
- John \"Reaper\" Grimm
- John \"Reaper\" Grimm / Doomguy
- Sergeant Stan Blazkowicz
- an unnamed space marine
- anonymous Space Marine corporal
- the character controlled by the player in the game
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