According to Baidu Encyclopedia, Haiyuan Ai is code-named Sherry. Haiyuan Ai, formerly known as Miyano Shiho, was an expert in dark organizations and the inventor of APTX4869. After escaping from the organization, he stayed at his home in Agasa Hiroshi under the pseudonym of Haibara Ai, and went to the same primary school as Edogawa Conan.