Tuung was a Balduk who worked as a bodyguard for Orion Syndicate boss Ihazs, and twin to Gol.

In 2379, when Nelino Quafina approached Ihazs to transport contraband cargo shipments to Tezwa, Gol and Tuung pinned Nelino facedown to the floor and held a phaser to his skull while they negotiated. They only let the Federation minister up after he agreed to certain demands. (TNG novel: A Time to Heal)