Bacteria: Primarily appears in Kane Pixels' video series. It has a skeletal, black, thread-like form and chases targets while making eerie noises.

Smiler (Entity 3): A monster where only white eyes and a mouth are visible in the dark. It hates light; you must survive by slowly backing away without breaking eye contact.

Personality: Somewhat calm. Appearance: Has a very large rectangular head with no hair. No torso. Arms and legs are stick-like and all white. Hobby: Researching YouTube. Leader of Team Aigo. Acts somewhat like a leader should.

Personality: Energetic but acts a bit like a bully. Appearance: Has a Pac-Man head and is entirely yellow. No hair. Hobby: Stating facts about others. Male. Really hates being called Gong-il.

Appearance: Looks like a bear and isn't that large. Everything is pink, including the ears. Personality: Extremely timid. Makes a lot of mistakes. However, her accidental noises can attract monsters. Female.

A total woman-chaser. Appearance: Wears a Spider-Man cosplay but has a prominent belly. The biggest troll. Male.

Personality: Very calm. Appearance: Rabbit ears, blue hair, and a blue hoodie. Male. Knows a bit about how to deal with the Backrooms. Because of this, he is the ace. Has a severe case of pathological lying.