Optimus Prime Finally Gets The Diaclone Update He Deserves Before 'Transformers', there were two toylines; 'Microman' and 'Diaclone'. The latter is what would make up most of the Autobots, with Optimus Prime being notable here. In that, Optimus Prime was originally released as Battle Convoy in Japan back in the early 80s and now he’s getting an update.