Gernba was a Gelrakian who was the leader of Gelrak V in the late 24th century.
During the Gelrakians' short conflict with the USS Cerritos in 2380, Gernba informed Commander Jack Ransom and Ensign Beckett Mariner that he was holding them responsible for the lies of the Federation, and that one of them would have to face Vindor in a trial by combat, with the lives of the rest of their away team at stake.
After Ransom emerged victorious, Gernba thought that they should stop doing trials by combat, or else they would never get to use the adjudication geode. Vindor suggested a regular trial with judges, but Gernba was more enthusiastic about the idea of a death race and ordered the construction of a crystal car. (LD: "Temporal Edict")
Gernba was voiced by Neil Casey.