The Autobot Titans started out as an unofficial group of Autobots that had crash-landed on Earth millions of years ago. Their leader, Maximus Prime, was originally called Overdrive, operations officer aboard the Ark when it first crash-landed on Earth 4 million years ago. After the final battle with Megatron's Decepticons, Overdrive was the only remaining Autobot. So the dying Optimus Prime turned over the Matrix of Leadership to him, creating Maximus Prime. Then with his last breath, Optimus revealed to Maximus the location of the Elysian Gynru, an Autobot crusier that apparently had been sent out in search of the Ark and crash-landed in the Colorado Rockies about a million years after the Ark. When he found the ship, Maximus re-activated the surviving crew members, among them the command