The Transformers: Hearts of Steel staunch ally of Muldoon after the Decepticons betray him. Only four Autobots were mentioned by name in the series: Bumblebee, Ironhide (in the TPB when he gives his name it was changed to Sideswipe) and Optimus Prime although he did not appear, though others are recognizable as G1 Generation 1 characters, introduced as toys in 1984. The opposite is true for the Decepticons, with many being named. Others are left unnamed but are recognizable such as Ravage. In addition to their original alternate modes as fantasy beasts, the Transformers later adopt alternate modes appropriate to the era in which they
Transformers technology natural energon on the planet. Similarly, in "", The Dinobots assumed dinosaur forms with organic shells to protect themselves from energon radiation. Techno-Organic Hybrids are transformers who possess or have obtained organic halves (having been infused with an organic being's DNA) and can be considered a fusion of both technological & organic lifeforms at cellular level. Transformers of this type are featured prominently in the "Beast Wars" era and even more so in "Beast Machines" (with their existence and techno-organic nature being an important plot element). Their outward appearance often varies from slightly robotic, completely organic, or a combination of