Serial designation Z, serial designation C, and serial designation Y. Z it's a disassembly drone who was always get bullied by C,his personality is crazy and coward. C it's a female disassembly drone who the leader of the trio and love doing her job(killing workers drones), also C always bullying Z since past,her personality is arrogant,annoying,and bloodlust. And Y,it's infected disassembly drone like cyn, he it's male,but his body shape more like female, also Y is toxic & arrogant.