Thraga is the most powerful Viltrumite and the current ruler of the Viltrum Empire, serving as Grand Regent since the death of the first Emperor, dedicated to leading the Viltrumite mission to make it the only empire in the universe. Thraga represents the core characteristics of a Viltrumite, prioritizing raw power and authority above everything. She takes great pride in her unrivalled strength, to the point that she will not allow anyone or anything challenge her supremacy over others.