Based on the provided information, Harry Badson is an Australian member of the TSI group. He possesses an excitable personality. The TSI organization is dedicated to spreading the teachings of Taiyou Sorano, who is recognized as Buddha's reincarnation. Harry Badson works alongside Sayako Amanokawa, Yuki Unabara, Taiyou Sorano, Mari Kimura, and Shunta Amanokawa as they pursue the truth about Buddha's identity and confront the false prophet Tosaku Arai.