6) Robots in Disguise (2001)
The first major reboot in Transformers continuity brought with it some pretty radical design changes for iconic characters, Optimus included. And woo, he is a big boy. This is a very, very chunky design, but chunky in a different way compared to the classically boxy look of Gen 1—he’s bulked up all around, and the reduction of the blue in his color palette along the way is a similarly striking change up. It’s different, but it’s good.
