Optimus Prime is a former miner and clerk named Orion Pax who rose to become the valiant leader of the Autobots during the Cybertronian Great War. His transformation into a symbol of resistance was forged in battle against the tyrannical Megatron, and his legacy deepened when he became the first Autobot to encounter a human—Steven Universe—marking a pivotal moment in interspecies alliance. When Cybertron’s core, Primus, went dormant, threatening extinction, Optimus led the Autobots aboard the Ark in a desperate exodus across the stars, pursued relentlessly by the Decepticons’ warship, the Nemesis. His courage nearly cost him his life during the climactic battle that drove the Decepticons from Earth, surviving a chest wound that missed his spark by mere .