Brawl

Brawl appears in the live-action film as a modified variant of the M1 Abrams tank, with a secondary dual turret and other cannons to evoke his G1 persona. He is described as "a very pissed off Decepticon" and always looking for a fight.

Brawl is first seen in the film rallying with the other Decepticons to Starscream's call, disguised as a M1 Abrams tank. He is in the highway chase with Barricade, and Bonecrusher. He is later seen during the final battle, announcing his arrival by firing at the Autobots and US soldiers in the streets. Ironhide attacks him with his missiles while performing a Helix twist dodge maneuver, while Jazz leaps onto his frame, pulls on his main cannon causing him to miss, forcing Brawl to transform. With his sheer strength, Brawl pulls Jazz off with one hand and throws him against a building. Ironhide distracts Brawl, while Ratchet leaps in and attacks Brawl, cutting off one of his arms. Brawl collapses, seemingly beaten (although the most likely assumption is that he was just stunned, as he was not shot by Ratchet or Captain William Lennox and his team in his most vulnerable part—the chest), minutes later, Megatron lands in a nearby alley. He quickly recovers and rises again when Megatron enters the battle. Brawl continues to mercilessly engage the human forces, until Bumblebee attacks Brawl, still attached to the tow truck driven by Mikaela. Bumblebee shoots him several times in the chest which, combined with shots fired by the human forces, is enough to kill him completely. His dead body was later disposed of. In Transformers: Dark of the Moon a Decepticon that looks similar to Brawl appears, however it is unclear whether it is meant to be Brawl from the first film.