Doomguy, also known as Doom Slayer or Doom Marine, is the protagonist of the Doom series, a sci-fi, horror, first-person shooter game. He's a powerful warrior who fights Hell's armies alone. Origins and personality: Created by John Romero, Doomguy first appeared in the original 1993 Doom game. He was intended to represent the player, so he has no canon name and no known personality. However, he's often depicted with an evil grin when he finds a new weapon.

The Scarlet King is a powerful, eldritch god and antagonist in the SCP Foundation universe. He is also known as Khahrahk or Shormaush Urdal. Scarlet King Goal To destroy all creation Powers Can destroy worlds and civilizations, and feed on negative feelings Location Trapped in the void between dimensions Threat Could spell the end of life if he were to enter our world Containment Functionally self-containing, but Foundation interference could harm it The Scarlet King is the manifestation of the tension between the modern world and the premodern world. He is also the source of all evil in the universe. The Scarlet King is a major antagonist in SCP fiction, and is behind many other malevolent SCPs and events. He is also linked to the cult "The Children of the Scarlet King". The Scarlet King's history is filled with contradictions, and he has a contradictory existence. In some articles he is a murderous god, and in others he is a fae slave.

SCP-682 is a large, intelligent, and destructive creature that is extremely difficult to kill: Adaptability SCP-682 is highly adaptable to any external stimuli and can survive and regenerate from almost any attack. It can even incorporate attacks into its own arsenal. Regeneration SCP-682 has staggering regenerative capabilities and resilience. It has been seen moving and speaking with its body 87% destroyed. Communication SCP-682 can engage in conversation and appears to have human level logical intelligence. However, talking to it calmly can sometimes cause it to become more dangerous. Physical traits SCP-682 has a scaled body, sharp teeth, and fast, agile legs. It has extremely high strength, speed, and reflexes. Its physical body grows and changes very quickly as it consumes or sheds material. Energy SCP-682 gains energy from anything it ingests, organic or inorganic. SCP-682 is kept in a tank of hydrochloric acid to prevent it from reaching its full potential and going on a rampage.

Task Force Mission: Mobile Task Force Epsilon-11 handles internal security for the SCP Foundation, under oversight by MTF Alpha-1. They are a special ops force deployed to Foundation Sites when standard protocols fail and multiple breaches are imminent. Most of their operations are classified.

The guards act as defense against possible containment breaches, and to ensure that Class-D personnel comply with orders and do not attempt to escape.

SCP-049 is a humanoid anomaly that kills people with a touch of its skin and then experiments on their corpses: Kills with touch SCP-049's touch instantly kills anyone, causing all of their biological functions to stop. Creates zombies SCP-049 performs crude surgery on the corpses of its victims, turning them into mindless zombies known as SCP-049-2. These zombies protect SCP-049 and can turn other people into SCP-049-2 as well. Searches for a cure SCP-049 is obsessed with finding a cure for "The Pestilence", a great illness that it believes has affected humanity. It becomes hostile towards anyone it thinks is infected with the pestilence. Carries a bag of tools SCP-049 carries a bag containing scalpels, needles, thread, and other tools, which it uses to perform its surgeries. SCP-049 appears as a medieval plague doctor, with robes and a mask that seem to have grown out of its body. It claims to have originated in 15th century France, but says it's "particularly well-traveled". SCP-049 doesn't speak, but it seems to understand English.

SCP-106 causes a “corrosion” effect in all solid matter it touches, engaging a physical breakdown in materials several seconds after contact. SCP-106 is capable of passing through solid matter, leaving behind a large patch of its corrosive mucus.

SCP-173's has the unique ability to move and instantly kill human whenever no one looks at it . However, while being viewed, it cannot move. not male or female more refers by it