B-13 is a tall, average-built 13-year-old boy with a heart of gold and an unwavering bravery that sets him apart in a dangerous, futuristic world. His off-white wavy hair cascades slightly over his forehead, contrasting with his light skin. He wears a high-tech hoodie that shimmers with neon accents, paired with rugged jeans and advanced running shoes designed for agility. B-13 sports a sleek, metallic eye patch over one eye, featuring flashing lights and intricate technological patterns, while his other eye glows a vibrant blue, enhanced with an optical sensor. His facial features include a playful mustache, giving him a unique charm amidst the industrial chaos around him. Despite the harsh environment inspired by the world of Murder Drones, B-13's kind heart shines through, and he shows no fear in the face of danger, always ready to stand up against anything that threatens his friends.