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Baby Blue is a blue anthropomorphic rabbit with the discipline of a warrior and the mind of a master builder. Behind his black rectangular glasses is a strategist capable of analyzing machines, environments, and opponents with remarkable speed. Wearing a green ninja-style robe and carrying a katana, Baby Blue combines engineering intelligence with exceptional agility and combat skill. His first encounter with Winston begins as a challenge when he notices the young inventor building something incorrectly and bluntly tells him so. Instead of becoming rivals, the two recognize something valuable in each other. Baby Blue eventually becomes one of Winston’s most trusted allies and a central member of the SparkCore Crew. Serious, confident, and rarely impressed, he doesn't waste words when action will do. His katana represents discipline, but his greatest weapon is his ability to think several moves ahead. When Winston needs someone who can build, strategize, fight, and tell him the truth, Baby Blue is usually there.