Tephan was a human female stormtrooper who served in Darth Vader's First Legion as a member of Commander Kimmund's unit. She acted as a pilot to the unit's transport, the Darkhawk. During the Imperial Era, she was involved in the Galactic Empire's confrontation with the Grysks at Batuu.
During the reign of the Galactic Empire Tephan served in the First Legion as a pilot and a stormtrooper. She was a member of Commander Kimmund's unit, when they followed Darth Vader on a mission to Batuu and Mokivj.
Tephan was a female human stormtrooper. As the pilot of the unit's transport, the Darkhawk, she didn't care how hard she hit the target vessel during the boarding operations, although she was otherwise protective of her ship.
Tephan first appeared in the 2018 novel Thrawn: Alliances by Timothy Zahn.