Most Transformers fans know the robots in disguise need Energon to function, but what exactly is it? Here's what people need to know about the fuel.

Now a firm part of the franchise, the evil Optimus Prime clone Nemesis Prime has roots in several Transformers anime, namely, the Unicron Trilogy.

Cybertron was first introduced as a planet with Transformers scattered throughout that lived under the protection of a group of Primes, warriors who protected them from invaders. Made out of the body ...