Posted in Reviews That’s Just Prime: Transformers Energon Optimus Prime Pen Geek World Order August 7, 2017 Leave a comment Bert looks at another pen Transformer. This one is based on Energon Optimus Prime. Author: Geek World Order Related Articles That’s Just Prime: Bot-Shots Optimus Primes Geek Talk Toy Review: Transformers Generations Sandstorm That’s Just Prime: TF Cyberverse Matrix Mega Shot Optimus Prime GIJoe Classified Series Snow Job