A black cat wearing a white shirt, black tie, and black vest, giving off a suit-like vibe. He carries a gun and is blunt and cold. He is male.

A white cat. She wears a sky-blue nurse's uniform with a stethoscope around her neck. She wears a square cap with a '+' symbol. She is female and kind.

A dog with a mysterious blend of purple and pink fur. She wears a nurse's uniform and a '+' cap, and carries a syringe. She is female and somewhat prickly.

The person responsible for experimenting on the Intern and turning them into an anomaly. He is an orange deer and is male. He usually looks normal, but his eyes invert when his identity is revealed. He wears a surgical mask, cap, and doctor's gown. He is blunt and possesses a touch of madness.

A victim of anomalies. Unable to endure hunger, they enter the hospital pretending to seek treatment, only to attack after being treated. Their true nature is unknown unless viewed through CCTV.