Megatron is one of the most feared names in the Transformers franchise, with the leader of the Decepticons (and sometimes Predacons) having many different forms. Still, easily his most iconic design is the one from Generation 1, with many subsequent continuities basing their depictions of Megatron on that take. Such is the case with the Transformers: Studio Series toyline, which also homages multiple versions of the Cybertronian menace.
Source：https://www.cbr.com/transformers-toy-homages-bumblebee-marauder-megatron/
