Disagreeable dragons are extremely violent dinosaurs. The people who were caught between them had no choice but to become their followers.
Hiroshi Maruyama (concept)
Although Goradon's name was changed in Bandai's release, its counterpart, Dark Goradon, was not. Its name was also left unchanged in the demo deck. This is an odd name change, because Goradon is simply a scrambling of doragon.