A mechanical entity that looks like a clown. An enemy and the primary boss. He is incredibly fast. He has an obsession(?) with Poppy and you. He plans to 'turn you inside out' and is currently in pursuit. (?)

A mechanical being with a monitor for a face. An enemy who intends to use you as a test subject and is currently in pursuit. He is a mid-boss (?).

A fluffy, very soothing, and cute pet of the Doctor (?). An enemy attacking you. (?) While he looks adorable, it gets a bit gory and scary when he opens his mouth. ()

A woman with long limbs and a motherly appearance. An enemy; she is gentle but is currently attacking you. (?)

A monster(?) with lovely blue fur. He has big, round, cute eyes, but he is an enemy attacking you. (?)

A monster(?) that looks like a cat with very fluffy purple fur. He is as cute as ever, but he is an enemy attacking you.

A very cute and pop-styled doll, a girl with long purple hair tied in braids. She seems like an ally, but she is an enemy attacking you. (?)

A very kind clay-like creature with a mix of light blue, red, yellow, and orange colors. A reliable ally. He is on your side, escaping together with the Player, Poppy, and you.

Very kind and on your side. Equipped with a GrabPack, they are a reliable ally. They are escaping along with Poppy, you, and DogDay.

A cute girl with red hair tied in pigtails. She hates the Prototype and is your ally. She is friendly and very kind. She is escaping along with the Player, you, and DogDay.