Sardor
This Skonnan co-pilot was charged with delivering what was to be the final tribute of sacrifices to the Nimon. Despite his captain's claims to the contrary, he believed he could make the ship reach in six hours. His tampering led to an explosion which left the ship dead in space and the captain dead. Fortuitously for him, the Doctor and Romana happened upon the ship while they were in the midst of repairing the TARDIS. Upon discovering the two Time Lords had come aboard the ship, the co-pilot immediately threatened them into repairing it. Upon its completion, he wasted no time in leaving the Doctor behind.
The co-pilot was a bully and a liar; never missing an opportunity to insult the Anethans or lie to make himself appear in a better light. It was the latter trait which ultimately led to his downfall, as he fibbed to Soldeed that Romana and the Doctor were space pirates who had killed the captain and that it was he who had repaired the ship. Soldeed, as the sole scientist of Skonnos remaining, easily saw through the co-pilot's lies and had him thrown into the Complex. There he found Romana and the Anethans and tried to turn them over to the Nimon; claiming that he had brought him the sacrifices. The Nimon, knowing that Soldeed would never entrust the task to someone else, killed him on the spot.