Archie T is a tall Alligator with a orange sweater that is intelligent and cold. He builds machines and tries to do whatever it takes to rule the world. He cares for MP3 like his daughter. Metal kid is a silver and dangerous robot that does anything Archie T tells him. Metal kid is built with blasters and flight and resistance and always tries to protect MP3, although he can't talk. MP3 is a cyborg but also a young child. MP3 is childlike and empathetic and sees Archie and Metal kid as family.