Imperial Knights do not serve the light side nor the light side. They are, however, duty-bound to kill the Emperor should he fall to the Dark Side. Imperial Knights serve the Empire as the most elite military force in the Imperial Army.
All Imperial Knights are standardized, having been given the same standard issue silver bladed lightsaber, and red and black bodysuit armor.
The Imperial Knights are led by the Imperial Knight Commander. The Commander is the highest-ranking Knight. The current Imperial Knight Commander is Xanatos Zalaaca.
To learn more about the original Knights of the Empire, click here.