Riva. Riva was a deaf ambassador for the United Federation of Planets native to the planet Ramatis III. Contents[show] BiographyEdit He used a telepathic 'chorus' to talk to people. (TLE novel: The Art of the Impossible; TNG episode: "Loud as a Whisper") This article is a stub relating to a character. You can help our database by expanding on it. AppendicesEdit Appearances and referencesEdit TLE novel: The Art of the Impossible TNG episode: "Loud as a Whisper" External linkEdit Riva article at Memory Alpha, the wiki for canon Star Trek. Retrieved from "https://memory-beta.fandom.com/wiki/Riva?oldid=634342" Categories: Memory Beta stubs (characters) Humanoids Federation ambassadors Community content is available under CC-BY-SA unless otherwise noted.