Qusak was a vorantikus who resided on Voss in the era of the Cold War. His life ended circa 3640 BBY.
The video game Star Wars: The Old Republic features Qusak as a Champion-level enemy on the world of Voss. While he doesn't play a direct role in any missions, players from either the Republic or the Empire can defeat him for rewards and to complete an achievement. For the purposes of this article, it is assumed that he was defeated at some point.