Salagho Threx was a Denobulan man serving in an enlisted capacity as a Starfleet NCO in the 23rd century. By the 2260s, Petty Officer First Class Threx was assigned as senior engineer's mate on the USS Sagittarius. Threx was tall, heavily muscled, and bearded. (VAN novel: Reap the Whirlwind) He also has long hair that could be used to conceal his face. (VAN - Declassified novella: The Stars Look Down)