Tel'Peh was an officer of the Klingon Defense Forces in the 24th century.
In 2369, Tel'Peh commanded the Vor'cha class attack cruiser IKS Toh'Kaht during its mission into the Gamma Quadrant.
Tel'Peh was killed when the Toh'Kaht exploded near Deep Space 9. Following the destruction of his ship, Miles O'Brien reviewed Tel'Pehs' logs to determine the cause of the ships destruction. (DS9: "Dramatis Personae")