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 Sentinel Primal. Transmetal Setninel Primal in beast mode Transmetal Sentinel Primal in vehicle mode. Optimal Sentinel Primal Optimal Sentinel Primal in beast mode. Optimal Sentinel Primal in flight mode. Optimal Sentinel Primal in car mode. This is the real Sentinel Primal.1 of 9Add photo Retrieved from "https://beastwarstransformers.fandom.com/wiki/Sentinel_Primal?oldid=44816" Categories: Maximals Beast Wars E.N.D.A.N.G.E.R.E.D. Maximals Beast Warriors Transmetals Gorilla Community content is available under CC-BY-SA unless otherwise noted.