Sentinal Primal Sentinel Primal is a Maximal teacher of Optimus Primal. It is unrelated to his Animated characters. His beast mode is a Gorilla. Gallery Sentinel Primal in Beast mode Transmetal Setninel Primal in beast mode Transmetal Sentinel Primal in vehicle mode. Optimal Sentinel Primal1 of 4Add photo Retrieved from "https://beastwarstransformers.fandom.com/wiki/Sentinel_Primal?oldid=21158" Categories: Maximals Beast Wars Maximals Beast Wars E.N.D.A.N.G.E.R.E.D. Maximals Beast Warriors Insect Community content is available under CC-BY-SA unless otherwise noted.