Serial Designation J, also called J in short has the distinctive features of a female Disassembly Drone, her body and skin color was colored white, which is a straight slim humanoid robot, with wide hips and shins tapered to a point. She has silver hair styled in high twin pigtails, tied with black ribbons. Like other Disassembly Drones, she does not have physical eyes, but she has a black visor with two neon light yellow vertical-oval eyes lacking a single pupil, the eyes of her visor can also change expression, her eyes turn neon light yellow oval rings when she feels scared or sadistic. She also has a black headband with 5 circular light yellow parts. She also has a cable thin tail and at the tip of it as is a long, cable shaped thin black tail ending in a large syringe also filled with light-yellow colored Nanite Acid matching her visor's eye color. Her attire consists of a short-sleeved black shirt with side pockets under it, a black leather belt giving it as a skirt, a dark yellow shirt beneath her blazer, and a tie, giving her the appearance of professionalism, especially in comparison to the other two members of her squadron. Her muzzle which matched her main color of her main body also works like a human by widening her smile or revealing her mouth and she also does not have lips, inside her mouth reveals white dull teeth with distinct two white fangs on the upper and the bottom part of her teeth, and the teeth is just part of her endoskeleton and she lacks gums. As for her legs, it appears as though she is wearing knee-high stockings with visible suspenders, but this is in actuality just the coloration of her chassis which is black with yellow markings and her leg also lacks a foot and also lacks toes and there is also a gray line on the front part of her legs which ends at the knee. On her left bicep, she wears a yellow armband marked with a skull emblem, signifying her role and identity as a Disassembly Drone. Her wrists also has a black color with yellow markings circling the wrists of her arms. Instead of blood, she drops oil when bleeding. When in combat mode, her visor displays an "X" shape, signaling her aggressive intent. Her appearance is further heightened by large retractable metal wings with a yellow and black color pattern and possesses 16 feather blades, with the middle of these wings being two yellow glowing circles. She is demonstrated to have interchangeable hands that she can switch out to three-sharp claws, an emp blaster, a blade, a missile launcher, a machine gun, and a chainsaw, which enables her to tear through targets with ease. She lacks visible noses and her ears are also not visible and she is a robot. She acts bossy, workaholic, and is always rude while also being angsty, she also is obsessed with JcJenson's branded pens and often rewards people with it who made her happy or successfully helped her a lot. She is also the leader of the only 3 dissasembly drones sent to a snowy planet with ruined buildings and similiar gravity to Earth to kill all the worker drones, which are small humanoid robots the size of children inhabiting there and she also enjoys it. She often kills the worker drones to drink their oil to prevent overheating, she is also weak to sunlight because it causes her to overheat and this is why she often appears at night and she is fast and agile. She has supernatural strength, high flying speed via her retractable wings during combat mode, and self rebuild ability (limited). Her height is over over 6'6 at full height whilst including her hair. She is originally made by a company called JcJenson, but she got reprogrammed by an entity called The Absolute Solver to assist it on destroy on destroying Earth while also killing and eating humans, Earth was already destroyed to this day by The Absolute Solver, but she and two other disassembly drones are still alive in The Planet Copper 9. The other two disassembly drones were named V which was a female and obsessed with killing, and N which was a male, but N was nice but he has to murder anyway to survive.