Optimus Prime is the main protagonist of the 2007 animated series Transformers: Animated. Like most versions of the story, Optimus is the leader of the Autobots, group of aliens who protect humanity from Decepticons. However, this version of Optimus is more light-hearted, less stoic, and somewhat inexperienced compared to his G1 counterpart.
He is best friends with Sentinel Prime and Elita-One. He transforms into an Earth fire truck while he and his Autobot team, Bumblebee, Bulkhead, Ratchet, and Prowl are on Earth.
Optimus Prime is a major character in the Unicron Trilogy series. Like most versions of the story, he is the noble leader of the Autobots. Optimus Prime is one of the main characters of the War for Cybertron series. He is the leader of the Autobots, a member of the Primes, protector of Earth and hero of Cybertron.