Breakdown was the last of the Stunticons to release for Transformers Legacy toys. In his release, hasbro accidentally released two versions, including a Menasor gift set version that hadn't been announced yet.
Breakdown was first released in 1986, though his cartoon self debut in November of 1985. This release in particular made you put the stickers on him yourself!
Breakdown was the first ever official BotCon exclusive toy in 1994, the only of the Stunticons released for the planned set.
In the Italian G1 release, the Stunticons are all named after animals, and Breakdown is named Caimano!