Jokull was known as the King of all Gormak inhabiting Voss throughout the era of the Galactic War.
Jokull possessed an exceptional level of intellect for a Gormak, a trait that significantly aided his rise to power. He achieved this by consolidating the various tribes through their shared animosity towards the Voss. Furthermore, he instructed the Gormak technicians to develop more sophisticated weaponry for use against their enemies. A pivotal moment in his life occurred during a journey to the Nightmare Lands, where he encountered the sinister being Sel-Makor. Sel-Makor bestowed upon him the power of prophecy. This newfound ability drove Jokull to madness, leading him to the conviction that the Voss, who possessed similar abilities, were inherently evil and deserved annihilation, regardless of the cost.
Ultimately, he met his downfall through a coordinated attack by Voss commandos alongside allied forces from outside Voss, resulting in his capture.
Both Republic and Imperial players have the opportunity to defeat Jokull. Within the Voss quest line of Star Wars: The Old Republic, a massively multiplayer online roleplaying game, players can choose to either kill him or let him live.