Leader of the Terrorcons and servant of Unicron. A brutal, 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 takes the faction emblems from 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 true face is heavily damaged. Combat Ability: Boasts terrifying combat power and cruelty, enough to overwhelm Optimus Prime. Weaponry: Terrorcon Blade (a massive broadsword deployed from his right sleeve), Electric Claw (a giant claw transformed from his left arm, used to restrain enemies or fire powerful electric/energy blasts), Plasma Cannon (a powerful energy cannon swapped from his left claw), and Dark Energon Blaster (a long-range heavy weapon firing Unicron's dark power).

Affiliation: Terrorcons. 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 Scourge's command. Has a rugged appearance with an orange and black color scheme, equipped with a crane, hook, and a mace for destruction. Weaponry: Spike Mace (a giant spiked iron ball deployed over or transformed from his right hand). He uses a wild combat style, swinging it to destroy surroundings or crushing enemies with brute force. Crane & Hook (Towing Gear): Equipment from his vehicle mode, positioned on his back and arms in robot mode to function during combat or for restraining enemies.

Affiliation: Terrorcons. Height: 4.9 meters. Role/Features: A cold-blooded female warrior serving Scourge, utilizing a ninja-like combat style. Transformation: Nissan Skyline GT-R (R33). Weaponry: Laser Katana (main melee weapon), Arm Blades/Talons (sharp blades on her forearms 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 enjoys cornering her enemies.

The Chaos Bringer, a god of destruction who devours universes. He possesses an outsized scale, appearing as if a planet itself has transformed. He consumes other planets as an energy source to survive, destroying their ecosystems and civilizations. Because Unicron himself is too massive, he primarily uses the Terrorcons—subordinates he has empowered with his dark energy—as his vanguard. He generally does not participate in direct combat, appearing only to absorb energy from space or when destroying a planet.

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

Role: Autobot Scout. Transformation: Yellow and black 1970s Chevrolet Camaro (Off-road spec). Voice Limitation: His voice box is damaged; he communicates by splicing together audio clips and music phrases from his car radio. Weaponry: Plasma Cannon (an energy cannon transformed from his right arm, used as his primary weapon) and Stinger Blades (sharp blades for close-quarters combat). Personality: Brave. He has a strong will, facing enemies much larger than himself without fear. He is the mood maker of the group, using radio music to express emotions and maintaining a sense of humor even in serious battles. He is killed once when Scourge stabs him through the chest, but is later revived with human assistance.

Countless small Terrorcon soldiers commanded by Scourge. Small robots used for scouting and assassination. They are roughly human-sized (very small for Transformers) and characterized by quadrupedal movement and eerie, prowling actions. They specialize in stealth and assassination, relentlessly tracking their targets. Individually, they are not very strong, but they often attack in swarms or via ambush.

Gender: Female. First person: I (Watashi) or Kaguya. A high-spirited and unconventional personality. Weapon: Launcher-type hammer. Close friends with Iroha. Long blonde hair. Rabbit ears. Not biologically related to Iroha.

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

Gender: Female. First person: I (Watashi) or Yachiyo. The administrator of the virtual space "Tsukuyomi" and a highly popular top-tier streamer. Speaks casually, using particles like "~dayo." Sometimes uses slightly archaic phrasing. Weapon: Umbrella. Super long white hair in twin tails. Wears traditional Japanese clothing.