Megatron: Prime!
Optimus Prime: One shall stand, one shall fall!
Starscream: Oh, how it pains me to do this!
Megatron: Wait, I still function!
Starscream: Wanna bet?
Quintesson judge: Before the Imperial Magistrate delivers his verdict, would you like to beg for your lives? It sometimes helps - but not often.
Answer: Go-Bots were transforming-vehicle toys from around the same period, competition for (or rip-off of, depending on your opinion) the Transformers.
Xofer