Metal Gear Rex ModelMetal Gear Rex ToyMetal Gear Ray ToySolid Snake, also known as Old Snake in Metal Gear Solid 4, is the main protagonist from Konami's Metal Gear franchise. Snake is a former soldier and mercenary until having a second encounter with a massive nuclear weapon wielding machine called Metal Gear. Mugen - Solid Snake vs. Metal Gear Rex. Mugen Match 2 - Solid Snake vs Duke Nukem. A..