Unknown Soldiers

The Unknown Soldiers or Marines are anonymous main heroes in 1988 classic arcade scrolling shooter video game titled Forgotten Worlds (Lost Worlds in Japan), the third and final entry in Capcom's "jet pack" shoot 'em up series along with 2 installments: Section Z and Side Arms Hyper Dyne. In the first appearance of both of this playable duo, they don't have their actual names given but all were known to very generically. Where Unknown Soldier Blue represents the first player and Unknown Soldier Red represents the second player. Canonically, they were secretly trained from the past they were young ones by a group of humans to resist the evil on the future setting called the Dust Planet. Many years passed away since humankind has ruled the Earth, the extraterrestrial invaders have nearly attacked there in their attempt to include it to their evil empire. The dark Lord Bios has controlled the alien horde to crush all oppositions. Through the game, the duo of Unknown Soldiers are the last hope and they must face their assault on their enemies in personal, deadly combat. They are also equipped with an anti-gravity device and armed with photon guns to seek and destroy the ruthless minion of the Empire. In their attempt to overthrow Lord Bios, they will battle the strangest and strongest extraterrestrial creatures across the universe. Then do the fight with the lizard men, the shapeless creatures, and the fierce bronze-skinned dragon. However, they are not completely alone in their quest for universal freedom. Sometimes, they can upgrade their weapon systems at several locations scattered throughout the lands around the universe. As you could see in the actual ending, the duo didn't have any names other than so-called "Superior Warriors".