Rucio Polynian is a central character in the series Robot Neoanthropinae Polynian. He is portrayed as an intelligent and resourceful Polynian, a race of humanoid robots designed to coexist with humans. Rucio is known for his calm demeanor and analytical mind, often serving as a mediator in conflicts between humans and Polynians. His character plays a vital role in exploring themes of identity and coexistence, as he navigates the challenges of living in a world where humans and robots strive to understand each other and live in harmony.