Meteor Gunman Omega (流れ星のガンマン オメガ Ryuseino Ganman Omega?): An alien assassin who makes a living been hunting down Space Sheriffs, previously fighting Gavan and later Sharivan. Arriving to Earth, adapting a helmet, twin shoulder cannons, and other weapons into his fighting style after losing to Gavan and Sharivan, Omega targeted Shaider and challenges him to a fight to the death. However, Hessler and the Girls' Army intervene out of pride by holding Annie and children hostage, Omega stops them from killing Shaider. Soon after saving the children, Shaider battles Omega with Annie and the Fuuma as witnesses as Omega finally falls to Shaider's Shaider Blue Flash.