The Metal Gear series, created by legendary game designer Hideo Kojima, first made its debut in 1987. The series is a combination of stealth, action, and strategy, where players often take on the role of Solid Snake, a soldier on a mission to neutralize threats to global security. The name "Metal Gear" refers to a bipedal nuclear-armed mech that appears in the first game and becomes a central plot element throughout the series.
If you are trying to understand the character design: metal gear hot coldman
: He coerced Dr. Huey Emmerich to design the bipedal nuclear platform and Dr. Strangelove to create an AI based on the personality of The Boss to govern its logic. The Metal Gear series, created by legendary game