T'lak was a Klingon warrior in the Klingon Defense Force. He served as Gowron's guard when he beamed down to Balka for the second time from the IKS Tagana. (ST novel: Klingon)

IKS Tagana personnel
ChaqI • D'cIq • Gowron • Ler'at • Pok • Qugh • Surgh • SvaD • T'lak • T'Rok