Tahu is the main protagonist and is also one of the heroes in the Bionicle series. He was a hot-tempered and reckless but selfless Toa of Fire and the leader of the Toa Mata team tasked of reawakening the Great Spirit Mata Nui. Due to his transformations of his many forms throughout the story, he eventually become the most powerful Toa to date . Because of his major appearance in the story scenes, Tahu was considered as the main character of the Bionicle series.