They are autobots
dia and egadnab used to be one transformer there name was elacidem but then one day he was blasted with the allspark protecting optimus prime!! but surprisinly the energy from the allspark kept both parts alive! they scanned two cars for there alt modes and later on they firgurd out how to combine and now they can combine back into elacidem when they want and or have too!
