Old Boy

Old Boy was a former member of Dead Cell who was killed prior to the events of the Big Shell incident. Before his death, he was over one hundred years old, and had been a Nazi general.

In Metal Gear Solid 2
Not much else is known about Old Boy. It is unknown where or how his fight would have been. However, Old Boy's appearance and age were incorporated into the Metal Gear Solid 3 character, The End.