The Emperor's Dark Guards was a secret society of Force-sensitive creatures. It was founded by Darth Sidious as a way of protecting himself and his apprentices; the purpose of the other members was to secretly protect them. After the Great Jedi Purge, it was renamed after the Emperor. After the Emperor's defeat at the hands of the Skywalkers, the members served Luke Skywalker and his descendants. Its most notable members were Darth Bob and Adam Ferris.
Star Wars Fanon