While initially a scout crippled by paranoia while on Cybertron, Breakdown became a Decepticon brute whose weapons include two built-in hammers, as well as being Knock Out's best friend and Bulkhead's archnemesis. Despite this, he is shown to have a healthy degree of respect to both friend and enemy alike.
He was voiced by Adam Baldwin in Prime, and Cripin Freeman in War for Cybertron.
Transformers: War For Cybertron
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In Operation: Breakdown he was captured by a human terrorist organization called M.E.C.H. Wishing to learn from his parts they began to dismantle him starting with his eye. Before they could do anything else Bulkhead came to rescue him. Starcream arrived later on and ordered him to attack Bulkhead. He was hesitant but eventually attacked. Though Bulkhead bested Breakdown and used his body to bash the Vehicons, Breakdown was still able to retreat, and Starscream later told him to remember the rescue when the time came to choose between Megatron's leadership and Starscream's.
As seen in Metal Attraction, Breakdown took to wearing an eye-patch as a reminder of his failure. When Soundwave detected a magnetic signature, Breakdown saw the chance to redeem himself and insisted on retrieving the polarity gauntlet. Once there, however, he found himself under attack by Airachnid, who also coveted the device and made a failed attempt to trap him underground. The two fought over it until Arcee and Bulkhead arrived and joined in the party. Breakdown was able to use the gauntlet to magnetically stick the two Autobots together, but while he was on his way back to the Nemesis, Airachnid ambushed him and webbed him to a derelict gas station. He was freed when the Autobots turned up and the gauntlet was triggered, yanking him off the wall. At one point during the following battle, he got hold of the weapon and used it to hit Bulkhead with an oil derrick. After some more fighting, Airachnid tried to make a getaway with the gauntlet and Bulkhead threw her at Breakdown. Breakdown was forced to return to the ship without the gauntlet, but made up for it by presenting Megatron with Airachnid, who had become stuck to his back.
In Crossfire, Breakdown was sent by Megatron with Dreadwing on a mission to terminate[Airachnid. Despite admitting earlier that he was "intrigued" by her, Breakdown was the first to attack Airachnid. She managed to lure him into a trap where she sliced into his body and decapitated him. This presumably killed him and his remains were captured by M.E.C.H.
Afterwards in "The Human Factor", M.E.C.H used his body to create a shell and life support system for their mortally injured leader, Silas. Silas tried to convince Megatron to allow him to take Breakdown's place "at the table", to which Megatron tested his usefulness by sending him to go kill the Autobots' human child allies, starting with Raf who was a critical intellectual ally to the Autobots. Once Silas failed after Bulkhead and Smokescreen intervened, Megatron dismissed him saying he was no longer useful. Knockout and Starscream then tortured, dissected and experimented on Silas out of both revenge and to discover further knowledge of Human biology until they accidently used a mix of Dark and synthetic energon to bring Breakdown back to life as a zombie. The Breakdown/Silas zombie wandered the halls of the Nemesis, converting many Vehicons before being killed by Airachnid, again... However, he managed to infect her before his passing, the mangled body of Silas thanking her before dying.
- Possibly numerous counts of unnamed Autobots.
- MECH soldiers.
- Breakdown was originally intended to be Lugnut before being dropped and replaced by the said Decepticon due to the show creators wanted a land-based Decepticon instead.
- Despite his lack of on-screen accomplishments, in Operation: Breakdown, Starscream claims he is a key player to the Decepticon cause indicating that Breakdown apparently did score major victories upon battling Autobots back on Cybertron, before the show began.
- Breakdown is characterised as very close to his G1 counterpart in War for Cybertron, with a Japanese toy bio explaining Breakown upgraded his physical form to better face Bulkhead. His Prime design still retains his red face and yellow eyes.