Once employed as an actual ratcatcher in Gotham City, Otis Flannegan soon started using his strange ability—an affinity with and the ability to control rats—to stage a variety of crimes. Eventually, his control over the vermin grew until he threatened Gotham with a veritable army of rodents. Incarcerated many times at Blackgate Prison, he can cause as much damage behind bars as without, using his loyal, trained, pets to relay messages and transport materials inside the maze of ventilation ducts that wind throughout the giant prison.
The Ratcatcher set includes;
3x sewer Swarms