Easily, the most iconic character in the Transformers franchise is Optimus Prime, the heroic leader of the Autobots. As one of the property's breakout protagonists, he frequently transforms and rolls out across various continuities. While these different incarnations usually share various traits, there's a lot that makes each iteration unique.
Source：https://www.cbr.com/all-transformers-optimus-prime-versions-ranked/
