You might be looking for the list of G1 Decepticons found here."The Decepticons originated as a line of non-living military hardware robots, in their factory, Cybertron. They created by the Quintessons. The Autobots , the decedents of the consumer goods robots also made by the Quintessons."
Freedom from the QuintessonsEdit
The Quintessons didn't understand was that their robots wanted freedom. Some robots challenged the Quintessons eventually, they drove away from Cybertron.
Beginning of a New WarEdit
After the Quintessons left, peace began on Cybertron, but not for long. The Decepticons brought war to them.The Autobots knew the could never defeat them with strength so they turned to stealth and invented the art of Transforming. In time the Decepticons learned how to transform.
Information from G1 Cartoon