Doppelgänger of Dooku

Not much is known about this clone of Count Dooku. He was identical to the real Count Dooku in many ways, though not quite as powerful. He served the Confederacy as one of Dooku's minions. Historians believe that this clone was a seperate identity of Force-doppleganger defeated by Anakin Skywalker on Metalorn ten months after the Battle of Geonosis. This clone was (apparently) mistakenly thought to be the one defeated by Anakin Skywalker on the starship in the beginning of Star Wars Episode III. This was believed (perhaps correctly) by many to be the real Count Dooku. The real (or the clone, if the count on the ship was the real one) Count Dooku is presumably somewhere plotting something revenge-related, or perhaps has been killed. He may even have survived until Luke Skywalker restarted the Jedi Order, and then have met his demise at the hands of one of the new Jedi.

Appearences
The New Droid Army