In December 1968 the state-controlled Russian newspaper Izvestia ran a series of articles accusing several high-profile British journalists of being spies - listing their names and alleged codenames.
This is all pretty well unsubstantiated at this point, but evidence is building that HTC has a couple heretofore-unknown codenames in the works -- Leo and Mega -- that are being prepped to help usher in the wide world of Windows Mobile 6.5.