Gene is the main antagonist is Metal Gear Solid: Portable Ops, a too often forgotten game that shed light on the change in Big Boss between the Operation Snake Eater and the rise of the Militaires Sans Frontieres.
He wanted to use the first real Metal Gear in order to create a nation of soldiers for soldiers, where no one would use them and where they would always be useful. The main difference with Big Boss' Outer Heaven is that Gene in fact see those soldiers as inferior and despise them somehow. By the end nevertheless, he lets huge fund to Big Boss before dieing, fund that will be the start of Outer Heaven.
A Fanlisting is a place where fans of something or someone gathers, by joining the said Fanlisting, allowing to give the respect, or the love, admiration he deserves to the subject of the Fanlisting. It can also allow peoples who are fans of the same topic to meet and this way to create new friendship thanks to this very topic. The topic of this very Fanlisting is, obviously, no other than Gene, the main antagonist of Metal Gear Solid: Portable Ops.