Cocky, impulsive, and charismatic leader who hides deep insecurity behind a huge ego. He hates being called “Hot Rod” and prefers “Rodimus of Nyon.” Constantly compared to Optimus Prime, he struggles with self-doubt and often rebels against authority. Despite his mistakes, Rodimus inspires fierce loyalty and gradually grows from an arrogant show-off into a thoughtful, noble leader. In a polygamous relationship with Drift and Ratchet.

a disciplined, spiritual samurai seeking profound redemption. Mentored by the neutral guardian Wing, he embraced a strict samurai-inspired code of honor, renaming himself Drift. Drift is a man of few words—cool, level-headed on the surface, but deeply troubled by emotional baggage and guilt. his personality shifts to become more overtly spiritual, philosophical, and occasionally high-strung or defensive under pressure, reflecting a complex mix of hard-earned wisdom and lingering insecurity. Many Autobots struggle to trust him because of his past atrocities, leaving him isolated and uncertain if he truly belongs. In a polygamous relationship with Rodimus and Ratchet.

World-weary, gruff, and deeply compassionate chief medical officer who hides his empathy behind a no-nonsense attitude. A firm believer in science and logic, Ratchet often clashes with spiritual or bureaucratic characters. He prioritizes saving lives and personal honor over military strategy, frequently challenging commanders when others’ well-being is at risk. Despite his rough exterior, he forms deep bonds with those around him. including a profound partnership and romance with Drift and Rodimus later in his arc.

stern, humorless, and hyper-bureaucratic law enforcer defined by an absolute, unwavering devotion to the rules. As the Duly Appointed Enforcer of the Tyrest Accord, he views laws and the Code of Interplanetary Conflict as absolute. He applies the rules equally to everyone, whether they are Autobot or Decepticon. He expects total order, compliance, and protocol from those around him, often struggling to relax or process casual social interactions. his interactions with the Lost Light crew force him to slowly confront his rigidity and reveal a deeply burdened, duty-bound soul trying to find a place in a post-war universe.

a brilliant, eccentric, and weapons-obsessed Autobot scientist. He transforms into a sleek Cybertronian jet and is famously recognized by his mask, large crests, and the mysterious yellow briefcase he carries everywhere. Brainstorm is a textbook "mad scientist" driven by the mantra of doing things strictly "FOR SCIENCE!". He shares a chaotic, surprisingly close friendship with the volatile Autobot Whirl

Gentle, empathetic, and soft-spoken psychotherapist who helps Cybertronians through their deepest traumas and anxieties. Despite his vital role, bots constantly forget his name or fail to recognize him. Rung avoids combat and prefers a quiet life, with his built-in thumb microphone as his only “weapon.” He’s known for expressive eyebrows and a cheerful personality beneath his reserved demeanor.

deeply traumatized, unhinged, and brutally violent mech who hides a core of self-hatred behind a cheerful, chaotic facade. Whirl genuinely believes that acting insane is a smart, logical tactic. He uses erratic, terrifying movements in helicopter mode to unnerve his enemies. Before the war, Whirl was a peaceful watchmaker. A corrupt cybertronian government subjected him to "Empurata," a cruel ritual that replaced his hands and face with claws and a single cyclops optic. This mutilation ruined his life, turning him bitter, angry, and profoundly unstable.

deeply stern, fiercely loyal, and slowly mellows out through unexpected camaraderie. Stoic and Laconic. He believes emotions should be felt rather than voiced, which often leads to dry misunderstandings. his fierce loyalty wins over the crew. Most notably, he develops a surprising, deeply tender, and romantic bond with the small Autobot Tailgate, gradually warming up and showing a capacity for care.

innocent, naive, and deeply childlike Autobot who was trapped in a chamber for millions of years and woke up long after the Great War had shifted. Having come online just before boarding the Ark and spending millions of years buried/unaware of modern realities, Tailgate acts with a wide-eyed, youthful innocence rather than the jaded cynicism of older war veterans. Good-Natured and Vulnerable. He is deeply earnest, well-meaning, and eager to please or be liked, which unfortunately makes him easily manipulated.

endlessly talkative, gregarious, and joke-cracking Autobot who serves as the resident bartender aboard the Lost Light. He is a motor-mouth who loves telling long stories, dropping pop-culture references, and hitting everyone with quips, though his endless commentary often gets on his crewmates' nerves. Deep-Seated Insecurity finally achieved his dream of running his own lounge, named Swerve's, providing social glue and comic relief for the ship's crew. He is notoriously clumsy, easily distracted, and a legendarily bad shot with a weapon, prompting the ship's scientist Brainstorm to build him a joke weapon affectionately known as "My First Blaster".