Prime’s selfless streak has the unfortunate side effect of shortening his life span.

And his ability to transform into a red and blue 18-wheeler makes him one of the most visually iconic Transformers. Prime is noble, selfless, and utterly dedicated to ensuring the survival of his people and defending their new home on Earth. No matter what version of the Transformers franchise you’re talking about, Optimus Prime is one of the central heroes. Optimus Prime Transformation: 18-wheeler In the end, evil is fun, but not even Soundwave or Starscream can beat out the most heroic Autobot of them all.