Clone Assassins were an elite Clone trooper unit in the Grand Army of the Republic and later the Imperial Army. These troopers were created by order of Supreme Chancellor Palpatine shortly before Order 66. Clone assassins were used against the battle droids of the Confederacy of Independent Systems only a few times, which were all victories. Still, the Jedi Council members frowned at this new elite unit because they felt a tremor in the Force about Palpatine.