Ebony (黒 Ebonī) is a special force (特殊部隊 tokushu butai), part of the Predacon or Decepticon military.
Before going off the deep end, Jaguar was leader of the Predacon Special Force Ebony (デストロン特殊部隊「黒」), something brought up by Megatron when he encountered the assassin on Earth. Beast Wars Metals #3
Decepticon Special Force Ebony (ディセプティコン特殊部隊黒) was a group of expert Decepticon soldiers from Cloud World under the command of Captain Lockdown. Despite the captain's predisposition for robbing other Transformers' body parts, he runs the forces like a tight ship.[1]
