In the context of Yuuzhan Vong religion, specifically within the Yuuzhan Vong culture, the Twin Gods consisted of Yun-Yammka, who embodied the essence of War, and Yun-Harla, the Goddess representing Deception. The Yuuzhan Vong held them in high esteem, as they collectively championed triumphs in combat against their adversaries. Although Yun-Yuuzhan held a higher official position, many individuals secretly esteemed the Twin Gods more. The Festival of the Twin Gods was a holiday celebrated in their honor.
As the Yuuzhan Vong War unfolded, the Solo twins became linked to the Twin Gods: Jacen because he vanquished Warmaster Tsavong Lah, and Jaina because she proclaimed herself to be an incarnation of Yun-Harla. The term "Twin Gods" was also employed to describe Yun-Txiin and Yun-Q'aah, otherwise known as the Lover Gods.