Fan Casting Sentinel Prime in TRANSFORMERS: DARK OF THE MOON (NOLAN'S DIRECTION)

Optimus's predecessor as the leader of the Autobots and later a Decepticon double agent who transforms into a red and black Rosenbauer Panther Fire Truck. Once awoken from stasis, Sentinel Prime is informed where the remaining pillars are and he betrays his fellow allies after revealing to have aligned himself with the Decepticons to restore Cybertron. In Nolan's Direction, he doesn't kill Ironhide, but instead kills Skids and Mudflap.