In the collective consciousness of the West, a doppelgänger is one’s evil inversion, their dark double, the earliest instance being Ahriman, the malevolent double of god in Zarathustrianism. The Toroidal Universe is divided into two worlds, three counting the space in between the worlds where equilibrium is achieved. One world sees the universe expanding as it is being expelled from the black hole and the other sees it as contracting into the black hole.