WARNING! This article contains spoilers about Metal Gear, Metal Gear 2 and Metal Gear Solid 4! Read at your own risk!
Big Boss was a legendary soldier and Solid Snake's biological father. He participated in the Virtuous Mission and Operation Snake Eater in 1964. He later resolved the San Hieronymo Takeover a few years later. Afterwards, he created Outer Heaven and started the Outer Heaven Revolt. After Snake stopped him, Big Boss led the Zanzibar Land Uprising. Snake very nearly killed him, but his body was taken by Major Zero, his former commander in 1964 and was preserved, albeit in a comatose state. In 2014, he was revealed to have been revived and was was finally reunited with Snake moments before his death.