From "Transformers Unlimited"!

Did you know that Optimus wasn't always a Prime? As a matter of fact, he wasn't always known as "Optimus". Many years ago, before the Cybertronian war, he was a clerk by the name of "Orion Pax", working in a library with his brother Magnum, his best friend Dion, & his crush Ariel, all mentored by the wise Alpha Trion. The rest of their past before and during the Cybertronian war will be revealed in time...