Pencael IV, a part of the Pencael system, was an Imperial world. This planet served as the original home for the affluent Cholus clan, which included notable figures such as Imperial Commander Senn Cholus and Aven Cholus, a member of the Rebel group known as Scandium Team.
On Pencael Four, amidst the refugee settlements during the Cold War, an agent from the Republic Strategic Information Service vanished.