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: The Covenant of Primus Primus is an actual relic in the Transformers universe. This concept was first introduced in "Beast Wars", where the Covenant is regarded as a sacred text by the Transformers. Several passages of it are quoted in the series finale "Nemesis", and several are known to be modified Bible verses. From 1998 to 2000 the annual Transformers fan convention Botcon had exclusive storyline that included a group of characters known as the Covenant of Primus. This group consisted of Twelve pre-Cybertronian Transformers based on the Zodiac and created by Primus as a last resort defense against the return of his nemesis,