Trethishavu th'Vlene was an Andorian thaan serving in the Federation Starfleet in the 23rd century. In 2268, Lieutenant commander th'Vlene was the USS Defiant's security chief. He was part of the landing party to the Klingon colony on Traelus II that discovered land-based Tholian web generators had killed all Klingons within eight kilometers. (VAN novel: What Judgments Come)