They partnered with Le Cirque D'étrange, helping them to spread their virulent identity-destroying compound throughout the city. They would often test the product on the young women they trafficked, forcing them into sex work.
After Batman and Robin disrupted one of their deals, Niko and Levi planned to flee Gotham until the heat died down. However, Professor Pyg, Le Cirque D'étrange's leader, saw this as a betrayal and took revenge against them.
Their operation was shut down by Batman and Robin.
Members:
- Levi
- Niko