Born to the intergalactic tyrant Mongul, Jochi was riased with imperial ways. However, he was more merciful than his father. When his father was trapped in the Phantom Zone, Jochi took over Warworld, however, he did not want to invade Earth. Using the Batman Family and the Superman Family to manipulate a tournament for leadership, all of Warworld ended up being sucked into the Phantom Zone. There Jochi slaughtered all of the inhabitants of Warworld for turning against him. Met by his father, Jochi was killed in an act of filicide.