Where am I going with this story? Excellent question.
Well, in Superlink/Energon, the main leader of the Decepticons was missing for a while and Scorponok was the leader, then Megatron eventually returned. However, since they carried on from Micron Densetsu, Super link Megs was called Galvatron from the start. I also imported the JP version of Galvatron as it was a smaller size and the Hasbro one was oversized.
As a result of all this, I will probably be calling this figure Galvatron a lot of the time, despite the fact that is not it's official name. Hasbro also have plans to release a Galvatron coloured version (With extra purple bits) later as well, just to add to the possible confusion.
Apologies for the inconvenience.