Micronus is the ethical core of the original Thirteen Primes. Though he was the smallest of the Primes he has a vast well of power at his disposal. Among his descendents are the Mini-Cons who had the ability to power up larger Transformers. Check out my second "Power of the Primes" review: Micronus with Cloudburst Decoy Armor!
As a geologist, Beachcomber was an unlikely Cybertronian to be found among groups of warriors but Optimus Prime recognizes the value he holds in both his skills and mellow attitude. Check out my first "Power of the Primes" review: Beachcomber!