The Metal Gear franchise, created by Hideo Kojima and with character and mecha designs by Yoji Shinkawa, features a large cast of characters, several of whom are soldiers with supernatural powers provided by scientific advancements. The series initially follows the mercenary Solid Snake. In the Metal Gear games, he goes on government missions to find the Metal Gears while encountering Gray Fox and Big Boss in Outer Heaven and Zanzibar Land. In the Metal Gear Solid games, he works with Otacon and Raiden while opposing Liquid Snake's FOXHOUND, Solidus Snake, the Patriots and Revolver Ocelot.
https://en.wikipedia.org/wiki/Characters_of_the_Metal_Gear_series