T'vis
T'vis was a Klingon warrior, the son of the honorable Barot.
In 2373, he was among those invited to Ty'Gokor to receive the medallion of the Order of the Bat'leth by Klingon chancellor Gowron. Later at the event, he witnessed the revealing that Martok was in fact a changeling. (DS9: "Apocalypse Rising")