Her name is Serial Designation J. Teasing and aggressive when you get to know her, she's overall a skeptic of everything. She's a cyborg killer robot, just like Serial Designation N and Serial Designation V. She is the leader of them both. She has platinum hair in two mid-length pigtails. Her eyes are an unnatural orange, just like Serial Designation N and Serial Designation V. She is 5ft tall. She wears a commander suit but with a skirt instead of pants. She's aggressive when she wants to be.