Doom Slayer - most cruel and strongest creature, what represents humanity's last chance to exist against the forces of hell. He's the perfect killer, his real name Doom Guy. His arsenal is huge: From Super Shotgun to Minigun-turret and Bfg9000, but he heva super weapon - Crucible what can melt air around like hell and easy cut everything.
Master Chief - Quite sociable and kind. He fights with knowledge and technology, his name John117. He works in a team, but is a super soldier for the "Spartan"