Optimus Prime is the leader of the Autobots. Long ago, he was the humble leader of Cybertron's science division, which studied the AllSpark, and were protected by Lord High Protector Megatron's military. When Megatron was corrupted by The Fallen, Optimus discovered that he was the last of the Dynasty of Primes, hidden away when The Fallen destroyed their lineage. In response to Megatron's attempts to seize the AllSpark and conquer other worlds, Optimus assumed his proper title and rallied the Autobots to stand against the Decepticons.
As obsessively as Megatron strives to achieve his objective, Optimus is equally as dedicated to stopping him, even at the cost of his life, his world, and—if necessary—his own people. It was on his order that the AllSpark was jettisoned into space, dooming Cybertron to a slow death and his people to a nomadic life. The sacrifices he has made weigh heavily on his spark, but they must be done, for there is no other choice. He knows the ambitions that lurk in Megatron's spark, and they must never see the light of day. Lives must be kept free from the threat of Megatron's tyranny, no matter the cost.
War for CybertronEdit
Optimus and his brother Megatron were descendants of the first seven Primes. Megatron ruled Cybertron while Optimus was head of the science division. When Megatron betrayed his race, Optimus gathered a team of resistance called the Autobots.
Optimus landed on Earth and led the Autobots into a battle in Mission City. Optimus killed Megatron and formed an alliance with the humans called NEST.
Revenge of the FallenEdit
Prime was killed by the resurrected Megatron, but later resurrected himself by Sam Witwicky. Optimus then injured Megatron and killed The Fallen.
Optimus managed to evade Magneto's magnetic powers in the Alpha War. Optimus found a great comrade in Mata Nui.