This article is a stub and missing information. You can help Transformers Prime Wiki by expanding it. Once the improvements have been made, please remove this notice. When Optimus Prime and Grimlock combine, they form the powerful Primelock. History Edit Robots in Disguise mobile game Edit Retrieved from "https://transformersprime.fandom.com/wiki/Primelock?oldid=101268" Categories: Article stubs Autobots Transformers Robots in Disguise 2015 Autobot Combined Forms Cybertronian Characters Transformers Robots in Disguise 2015 Character Transformers Robots in Disguise 2015 Males Add category Cancel Save Community content is available under CC-BY-SA unless otherwise noted.