Autobots

[Unicron]

Autobots were the descendants of a line of robots created by Primus and later inslaved by the Quintessons and redetailed as consumer goods and workers on the planet Cybertron. Their bodies were forged by the Plasma Energy Chamber and given intelligence by the mega-computer Vector Sigma in order for the work to be carried out. Eventually, they developed sentience and rebelled against their rulers, A-3 was able to turn the tide by activating his coda-remote which deactivated the Quintessons' Dark Guardian Robots.

With the Quintessons cast off and forgotten, Cybertron was at peace. The consumer goods and military hardware bots renamed themselves as Autobots and Decepticons. However, the Decepticons wanted war. No match for the superior firepower and battle prowess of the Decepticons, the Autobots developed transformation technology (possibly with the help of the Dark Guardians) to win the war, bringing about the Golden Age of Cybertron. Eventually, the Decepticons also developed transformation and began the third Cybertronian War. They would have succeeded in completing their conquest had not some Autobots blown up an energy warehouse and brought its workers to A-3, now renamed Alpha Trion so he could reform them into Optimus Prime and other new Autobots that were now powerful enougth to fight the Decepticons, Alpha Trion had also given Optimus Prime the Matrix of Leadership to further help the Autobots in the fight against the Decepticons.

For five million years, the Cybertronians warred over the remaining energy that was left. With this crisis, the Autobots, headed by Optimus Prime, made an expedition to find new energy sources. But the Decepticons intercepted them, causing the Autobot ship Ark to crash-land on Earth.

Four million years later in 1984, the volcano that the Ark was wedged in erupted, jarring the Ark's main computer Teletraan I back online. Through use of Spy Satellites, Teletraan created new alternate forms for the Transformers out of earth vehicles (Like F-15 Eagles for Starscream and a Semi-trailer truck for Optimus Prime). The Decepticons were revived first and then the Autobots due to Starscream's carelessness. The Autobots made an alliance with the local humans, thus beginning the Great War.

After waging the war for 21 years, the Autobots created Autobot City as their main base of operations while the Decepticons got complete control of Cybertron. In 2005, the Decepticons launched an attack on the city, resulting in the death of Optimus Prime. Optimus managed to pass the Matrix of Leadership to Tesla before his passing.