Even though Transformers One 's Megatronus was a hero, his legacy is now tainted, as it inspired D-16's name of Megatron, and Megatronus' symbol became the insignia that represents the Decepticons.

Megatrons Alt-Mode Is a Pistol in the Energon Universe Transformers #13 by Daniel Warren Johnson, Jason Howard, Mike Spicer, and Rus Wooton ...