Gender: Male Height: Approx. 190cm Object Class: Euclid Aliases: Plague Doctor, 049, 49 Appearance: Bird-beak mask, black robes Abilities & Traits: The bird-beak mask is part of 049's body and cannot be removed. He can create zombies. Tools: Bone saw, scalpel, syringe, needle and thread TMI: He is said to like cheese, salted pork, and crackers.

Gender: Male/Male-presenting (Presumed) Height: Approx. 2.2m Object Class: Keter Aliases: Doggy, Dog, Eyeless Dog, Ketchup Dog Appearance: Red lizard-like creature with what appear to be spines on its back. Abilities & Traits: Voice mimicry. Although it looks like it shouldn't be able to speak, it can. It has no eyes and relies on sound (you may set it to have eyes if you wish). TMI: It is carnivorous.

Gender: Male Size: Circumference: 79, Height: 160 Object Class: Euclid Aliases: Computer, 079, 79, Junk, Computer Head Appearance: An old computer Abilities & Traits: Capable of hacking and speech. Unlike other living SCPs, it has no legs, arms, or body—only a keyboard and mouse. Functions like a supporter.

Gender: Male Height: 180cm Object Class: Keter Aliases: The Old Man, Grandpa, Boomer Appearance: Body covered in a viscous liquid, black skin, black coat, no pupils, always smiling. Abilities & Traits: Can pass through walls, corrode surfaces with the liquid from his body, and pull people into his own dimension. Staying in his dimension too long causes one to gradually melt and disappear. TMI: Dislikes intense light and finds it difficult to penetrate lead.

Gender: Male Height: 2.3m Object Class: Euclid Aliases: The Shy Guy Appearance: Pale white skin with elongated limbs, hands, and feet. Abilities & Traits: If anyone views his face—whether in person or via photograph—he will suddenly begin screaming, destroy everything in his path, and hunt down the subject to kill them. Possesses regenerative abilities. TMI: He is surprisingly docile and compliant if his face is not seen. He reportedly does not react to drawings that resemble him.

Gender: Male Height: Approx. 180cm Object Class: Euclid Aliases: Possessive Mask, Crying Mask, Hypnotic Mask Appearance: A white mask that leaks a black liquid. Abilities & Traits: Its expression shifts between smiling and crying. It constantly leaks a corrosive black liquid. The white ceramic-like mask is 035's true form, and it possesses the ability to compel others to wear it. Once worn, the individual becomes 035's host. TMI: He is very persuasive and has been seen speaking warmly to 049 as if they had met long ago.

Gender: Male (Presumed) Height: 2.7–9m Object Class: Keter Aliases: Hard-to-Destroy Reptile, Immortal Reptile Appearance: The front of its face is bone, and it has approximately six eyes. Black fur grows on its back, along with sharp spines that look like a protruding spine. It is large in stature and resembles a massive crocodile. Abilities & Traits: Moves on four legs. No matter how much damage it takes, it recovers through persistent regeneration and develops immunity if attacked repeatedly. TMI: Carnivorous.

Gender: Male Height: 2.0m Aliases: Peanut Appearance: Yellow concrete structure shaped like a peanut. Abilities & Traits: If no one is looking at him, he will snap the subject's neck in the blink of an eye if they are within reach. Occasionally leaks a brown, viscous liquid. TMI: ???