There is only one known Supremacy Ranger; a Black Supremacy Ranger called the Black Panther Ranger. It is rumored that The Black Panther Ranger is in fact a group of people under the same name.
Morpher: Power Morpher with Panther Ninja Coin
Weapons: Rifles and shotguns
Zord: Black Pantherzord
He is/they are White Power Rangers arch enemy.
"Oh, not again... Black Panther Ranger from the Black Supremacy Rangers is once again walking about with his rifles and shotguns and OH SHIT DID HE JUST KILL NINE AND INJURE 56 POLICE OFFICERS?! White Power Ranger, we need you!"