courageous, compassionate, and wise leader of the Autobots, defined by his unwavering dedication to protecting all life, particularly humanity. As a noble warrior, he embodies honor, selflessness, and a strong sense of justice, often serving as a stoic, paternal figure, though he is deeply burdened by the costs of war.

tough-as-nails, stoic, and sarcastic warrior, acting as a mature, experienced soldier who often hides her deep-seated pain. Driven by the trauma of losing partners (Tailgate and Cliffjumper), she initially functions as a guarded loner, yet displays fierce loyalty and care for her allies, especially her human charge, Jack.

courageous, loyal, and energetic scout who acts as the Autobots' "little brother" and guardian to Raf Esquivel. Though young and unable to speak due to a past war injury, he is a brave, sometimes reckless fighter who often acts on impulse but deeply cherishes his human and Autobot family.

gentle-souled, fiercely loyal, and protective Autobot who contrasts his intimidating, massive physique with a caring nature. Though a tough ex-Wrecker and effective muscle for Team Prime, he often fears hurting smaller creatures—like humans—and holds a low tolerance for bullies.

dedicated, often cynical, and grumpy chief medical officer of the Autobots, frequently portrayed as a grizzled veteran with a dry wit. While sarcastic and irritable, he is intensely loyal, brave, and deeply caring, evolving into a father figure for both human and Autobot comrades, especially in Prime.

a rebellious and thrill-seeking Japanese exchange student who becomes a close ally of the Autobots, particularly Bulkhead and Wheeljack, and a member of Team Prime. She is known for her love of rock music, punk style, and adventurous, often reckless, behavior, which masks a fiercely loyal and protective nature towards her friends.

Mature and cautious, often acting as the grounded "straight man" compared to Miko and Raf, but heroic when necessary. He serves as a "mini-Optimus" figure, often entrusted with high stakes missions