Was Liquid Snake a good guy?
Prior to 1975, he served as a member of Militaires Sans Frontières, acting as a combat medic. Much later, Big Boss would go on to say that the medic was "always the best man we had", implying that he was an incredibly capable soldier, as well as a reliable field medic. His loyalty to Big Boss became unquestioned.
Liquid Snake is a fictional character from the Metal Gear franchise. He is the twin brother of series protagonist Solid Snake and the second product of Les Enfants Terribles, a top-secret government project to artificially create soldiers by cloning the legendary soldier Big Boss.
Punished "Venom" Snake, also known as Big Boss, or simply Boss, is a major character in the Metal Gear Solid series, serving as a minor character in Metal Gear Solid V: Ground Zeroes, the main protagonist of Metal Gear Solid V: The Phantom Pain and the secondary antagonist of the original Metal Gear game.
In seminal PSone title Metal Gear Solid, Solid Snake goes up against his twin brother, Liquid Snake. They're both clones or sons of Big Boss.