Big Boss
AKA Venom Snake, co-creater of the military group Diamond Dogs
Although there are several important characters to the story, these character are the most significant to the game's plot.
AKA Venom Snake, co-creater of the military group Diamond Dogs
Co-founder of Diamond Dogs, and Big Boss' right hand man.
Ally to Big Boss, looking up to him greatly. Helps around the base where the Diamond Dogs reside.
Scientist, Engineer, and possible traitor to the Diamond Dogs. Creates Sahelanthropus.
The main antagonist, and the leader of Cipher. Creator of the language virus.
A child they found in Africa who made his own army out of other kids. Possibly Big Boss' son
Big Boss wakes up in a hospital, horribly injured. The hospital is then under attack by a group called Cipher, people who want to control the world using the newest set of technologies, with their goal to be killing Big Boss. Big Boss is assisted by one of his soldiers in escaping the hospital as it is attacked by The Man on Fire and The Floating Boy. Ocelot helps Big Boss escape the area afterwards. He does this out of respect and a view of apprenticeship toward Big Boss. They make it back, and Ocelot gives a run down on Cipher, Skull Face, and the missions ahead. They save Miller, and start another military organization called Diamond Dogs.
Huey is found later and claims that Skull Face forced him to build Sahelanthropus, a weapon to surpass metal gear. Huey also claims that it is not functional yet, as there is no way there could be enough power to keep Sahelanthropus stable. Sahelanthropus, however, is fully functional, and a thorn in Big Boss’ side. While trying to stop Sahelanthropus, Big Boss finds a boy named Eli, who they believe is his son. The results come back negative, despite the similarity. Big Boss stops Sahelanthropus, which turns out was being powered by The Floating Boy’s psychic abilities. The Floating Boy takes a liking to Eli, in which the two steal Sahelanthropus and escape Big Boss.
A tape recording reveals to the player that the Big Boss that you play as is not actually the Big Boss from Snake Eater. The infiltration of the hospital gives Big Boss, who covers as one of Big Boss’ soldiers, time to escape on his own, and Ocelot the ability to explain what is going to happen. They force the player to be Big Boss through psychotherapy, making the player character believe that they have been Big Boss the whole time, giving the character Big Boss’ memories. The player character remains Big Boss, giving the soldiers of Diamond Dogs something to fight for, and giving the actual Big Boss time to work on his own plans.
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