Grimlock was a former Decepticon Super Soldier before he betrayed his Decepticon comrades and became a member of the Autobots under the tyrannical leadership of Optimus Prime
The Ascensionverse[]
Introducing SG Kickstart![]
Transformers: Shattered Glass[]
Trivia[]
SG Grimlock's body is based on the Planet X PX-06B Hephaestus toy, a retool of the Planet X PX-06 Vulcan which is a third party Transformers figure of Fall of Cybertron Grimlock.
Shattered Glass Grimlock