back. He refines the time machine for over 200 thousand years, making it more and more powerful and using the technology to give himself super-powers. He then gives his research and advanced technology to younger versions of himself, which gives him more power due to rewriting history over and over. Realizing that he could not save his parents due to a temporal paradox (the death of his parents triggered the creation of his powers) his desire grows from saving his parents to punishing Superman for their deaths. The present day Gog attacks Superman when Doomsday returns to Earth with newfound sentience and begins discovering emotions during his rampage. Doomsday arrives to see Superman on the verge of death after being beaten by an army of Gogs. Doomsday leaps to Superman's defense just as Gog is about to kill him. Doomsday's attempt to save Superman fails as Gog successfully kills him. Over the next 200 years, Doomsday leads an army in Superman's name against Gog. This future is erased when it is revealed that Gog didn't actually kill Superman but has instead been keeping him prisoner and surrounded by Kryptonite. Gog offers Superman the chance to go back in time and kill him. Superman eventually shows Gog the error of his ways when Doomsday bursts in and rescues Superman. Gog then offers Doomsday the chance to go back and erase this future at the cost of returning to his villainous ways which he agrees to. In the present, the present day Gog teleports away an unconscious Doomsday for unknown reasons. Thy Kingdom Come A third version of Gog appeared in the Justice Society of America ongoing series. In the new Multiverse, the events of the Kingdom Come limited series take place on Earth-22. That world's version of Superman arrived on New Earth following the destruction of Earth-22. Gog appears soon after the other Superman's arrival. Gog gruesomely slaughters metahuman criminals who claim to be gods by blasting holes through their chests and disintegrating their hearts. Some of his kills include the criminals Goth and Chroma and a group of beings calling themselves the New Olympians. The Infinity-Man and Hercules were two who survived his onslaught. After facing off against the Infinity-Man, he attacks Sandman who was spying on him, before taking on the Justice Society. This version of Gog is a priest named William Matthews who received his powers from an