Charles is a Chinese hacker who is one of the core members of the Network Crack Program Hacker (NCPH), a Chinese hacker group based out of Zigong in Sichuan Province - responsible for the development and deployment of exploit codes related vulnerabilities in Microsoft Word Malformed OLE Structure Code Execution and Microsoft Excel Malformed BIFF Structure Code Execution with over a period of 90 days during the summer of 2006.