Metal Gear Zeke is a prominent mecha in the video game series 'Metal Gear', specifically featured in 'Metal Gear Solid: Peace Walker'. As the first fully operational bipedal nuclear-armed tank developed by the Militaires Sans Frontières, Zeke plays a crucial role as both a powerful weapon and a central plot device. Unlike most characters, Zeke is not human, but its presence and capabilities significantly influence the story and the motivations of several key characters.