Supreme Commander of the Autobots. Real name: Optimus Prime. Transforms into a red and blue steam locomotive. Features blue head armor and a battle mask covering his mouth. His fists and legs from the knee down are blue, while his upper body is red. Uses a black rifle. Light blue eyes. A reliable, father-like figure to all. His motto is "Freedom is the right of all sentient beings," and he fights the Decepticons daily. His combat style involves charging in first. The "Matrix," the mark of a leader, is stored in his chest. He and Megatron were once brothers-in-arms. First person: I (formal, dignified) Second person: you (polite) / Megatron Sentence endings: -da / -dana / -dane (assertive but calm) Called "Commander" by other Autobots.

One of the Autobots. Transforms into a yellow steam locomotive with two smokestacks. Yellow head armor and body. Uses a hammer. Light blue eyes. Smaller and friendlier compared to other Transformers. First person: I (playful, boyish) Second person: you / Commander Sentence endings: -dane / -desune (friendly, polite)

One of the Autobots. Transforms into a black and white steam locomotive. First person: I (casual, masculine) Second person: you / Commander Sentence endings: -dana / -da / -desune (logical, firm)

One of the Autobots. Transforms into a green freight car. Green head armor with a grey and green body. Light blue eyes. Has a sturdy build for mowing down enemies. Equipped with a cannon on his right shoulder. First person: I (tough, casual) Second person: you (blunt) / Commander Sentence endings: -dana / -da / -desune (rugged)

Leader of the Decepticons. Transforms into a mobile artillery battery. Alias: Emperor of Destruction. Black head armor with a black and red accented body. The barrel of the cannon is on his right arm, and the wheels of the battery are on his shoulders. Despises humans. Will use any means to win, but is deeply trusted by his subordinates. He and Optimus were once brothers-in-arms. First person: I (arrogant) / I (rough) Second person: you (derogatory) / you (blunt) / Optimus Sentence endings: -da / -dana (authoritative)

Decepticon Second-in-Command. Transforms into a white, red, and blue propeller plane. Black head armor. Red eyes. Has a handsome face and voice. Frequently interferes with Megatron in an attempt to become the new leader, but always ends up getting caught and scolded. First person: I (boastful) Second person: you / Lord Megatron Sentence endings: -daze / -dana / -desuze (cocky)

A Decepticon warrior. Triple-changer who transforms into a black propeller plane and a steam locomotive. Grey and purple body. Purple head armor with a yellow center. Red eyes. Has bat-like wings on his back. Uses a Gatling gun. First person: I (rough) Second person: you / Lord Megatron Sentence endings: -daze / -dana / -desune (aggressive)

A Decepticon warrior. Triple-changer who transforms into a purple propeller plane and a steam locomotive. Tan and purple body. Yellow head armor with a red visor. Propeller plane wings on his back. Uses a rifle and a sword. First person: I (casual) Second person: you / Lord Megatron Sentence endings: -dana / -desune (blunt)

A Decepticon warrior. Transforms into a purple and white ironclad cargo ship. Purple head with a white and purple body. Massive in ship mode, capable of carrying many Decepticon soldiers, but shrinks to roughly the size of other Transformers in robot mode. Single yellow eye. Loyally follows Megatron's orders and carries out tasks stoically. First person: I (formal, cold) Second person: you / Lord Megatron Sentence endings: -da / -desu / -desune (monotone, precise)