small black rat. Ratthew investigates the animal corporation
the animal hospital and Dr. Harlow after his twin sister Rattina mysteriously "disappeared" while working with Dr. Harlow. (Rattina became an anomaly after Dr. Harlow had a psychotic episode and experimented on her.) Ratthew lives in the alleyways and in the vents/walls of the hospital to spy on Dr. Harlow and Ron. Ratthew knows a LOT about the anomalies and the corporation
