You left a piece out! This article is a stub and is missing information. You can help Teletraan I: The Transformers Wiki by expanding it. When Optimus Prime and Grimlock combine, they form the powerful Primelock. History Robots in Disguise mobile game Retrieved from "https://transformers.fandom.com/wiki/Primelock?oldid=454930" Categories: StubAutobotsTransformers Robots in Disguise 2015 AutobotCombined FormsCybertronianCharactersTransformers Robots in Disguise 2015 CharacterTransformers Robots in Disguise 2015 Community content is available under CC-BY-SA unless otherwise noted.