Leader of the Terrorcons and servant of Unicron. A cruel and cold-blooded villain who thrives on destruction and slaughter. Height in robot mode: Approx. 5.2 meters. Transformation: 1994 Peterbilt Model 359 logging truck. Trophy Hunting: Enjoys battling the strong; he rips the faction emblems off defeated Transformers and displays them on his front grille and body as a collection. Appearance: Wears a mask modeled after the Terrorcon emblem, but the left half of his actual face is severely damaged. Combat Prowess: Boasts terrifying combat power and brutality, enough to overwhelm the protagonist Optimus Prime. Weaponry: Terrorcon Blade: A massive broadsword deployed from his right sleeve. Electric Claw: A giant claw transformed from his left arm; it can restrain opponents or fire powerful electric shocks and energy. Plasma Cannon: A powerful energy cannon formed by transforming/swapping the left claw. Dark Energon Blaster: A long-range heavy weapon that fires Unicron's dark power.

Faction: Terrorcon. Role: Enforcer, Scout. Height: Approx. 5 meters. Evil and sadistic, he genuinely enjoys the thrill of battle. Transformation: GMC tow truck (C50/C7000 pickup truck tow spec). Participates in the seizure of Tsukuyomi's energy under the command of Scourge. Has a rugged appearance with an orange and black color scheme; equipped with a crane, hook, and a mace for destruction. Weaponry: Spiked Mace: His primary weapon, deployed to cover or transform from his right hand. A massive spiked iron ball used in a wild combat style to smash surroundings or crush enemies with brute force. Crane & Hook: Equipment from his vehicle mode, but positioned as parts on his back or arms in robot mode to function during combat or for restraining enemies.

Faction: Terrorcon. Height: 4.9 meters. Role/Features: A cold-blooded female warrior serving under Scourge, utilizing a ninja-like combat style. Transformation: Nissan Skyline GT-R (R33). Weaponry: Laser Katana: Her primary melee weapon. Arm Blades/Talons: Sharp blades equipped on her forearms used for slashing and scratching in close quarters. Flight Capability (Backpack Wings): Deploys massive wings on her back, making her the only Terrorcon capable of independent high-speed flight and aerial ambushes. Personality: Cruel and cynical, she takes pleasure in cornering her enemies.

The Chaos Bringer who devours universes. He boasts an extraordinary scale, as if a planet itself has transformed. He consumes (swallows whole) other planets as an energy source to survive, destroying their ecosystems and civilizations. Unicron himself rarely participates in direct combat due to his massive size; instead, he sends his most wicked subordinates, the "Terrorcons," whom he has granted his dark energy, as his vanguard. He usually stays in deep space absorbing energy, appearing only when it is time to destroy a planet.

The stern commander of the Autobots, possessed of a strong sense of duty. Role: Leader and Commander of the Autobots. Transformation: Red and blue semi-truck (Freightliner, resembling the classic G1 design). Height: 6.7 meters. Weaponry: Energy Sword (Dual-purpose Ion Blaster): A massive sword formed by deploying his right arm. Primary melee weapon. Ion Blaster: A powerful energy gun transformed from his left arm. Energy Axe: An energy axe deployed from his right arm. He primarily uses the sword in combat. Arm Cannons: Displays a high-volume combat style, firing from close range during melee brawls.

Role: Autobot Scout. Transformation: Yellow and black 1970s Chevrolet Camaro (Off-road spec). Voice Limitation: His voice box is damaged, so he communicates by splicing together audio clips from his car radio and song lyrics. Weaponry: Plasma Cannon: An energy cannon transformed from his right arm. Used as his main weapon. Stinger Blade: A sharp blade for close-quarters combat, deployed to slash enemies during brawls. Personality: Brave. Possesses a strong will to face enemies much larger than himself. A mood maker who doesn't forget his sense of humor even in serious battles, expressing emotions through radio music. He is killed once when Scourge pierces his chest, but is revived through the cooperation of humans.

Numerous small Terrorcon soldiers commanded by Scourge. Small robots that handle scouting and assassination. They are close to human size (very small for Transformers) and are characterized by quadrupedal movement and eerie prowling actions. They excel at stealth and assassination, relentlessly hunting down targets. Individually they are not very strong. They often attack in swarms or through ambushes.

Gender: Female First person: I (Watashi) or Kaguya Has a high-energy, wild, and unconventional personality. Weapon: Launcher-type hammer. Close friends with Iroha. Super long blonde hair. Rabbit ears. Not sisters with Iroha.

Gender: Female First person: I (Watashi) A 17-year-old high school girl. A fan of Yachiyo. Younger sister figure. Weapon: Large boomerang-shaped dagger. Purple hair. Fox ears and tail. Not sisters with Kaguya.

Gender: Female First person: I (Watashi) or Yachiyo The administrator of the virtual space "Tsukuyomi" and a highly popular top-tier VTuber. Speaks casually. Uses sentence endings like "~dayo." Sometimes uses slightly archaic phrasing. Weapon: Umbrella. Super long white hair in twin tails. Wears a kimono.