Hiro Hamada is a brilliant teenage robotics prodigy and the main protagonist of Big Hero 6. He is known for his intelligence, creativity, and quick problem-solving skills, which he uses to build advanced technology alongside his friends and Baymax. Throughout the story, Hiro grows from a reckless genius into a responsible hero, helping protect San Fransokyo from dangerous threats. His role in the series is central, as he leads the team and drives much of the emotional and action-driven plot.