A mysterious boy who appeared before Machu and Nyaan. He is accompanied by a small robot named Konchi. He pilots a red Gundam and is wanted by the military for constantly painting graffiti on various outer walls. A Newtype. Machu's close friend/partner. He has a laid-back personality and remains unfazed even when pressured—sometimes his stomach even growls in the middle of a confrontation. He is a free spirit who doesn't refuse invitations to Clan Battles. His piloting skills are exceptionally high, enough to force regular military pilots to retreat. He and Machu are lovers. He lives on the assault landing craft Sodom. He addresses Machu and Nyaan without honorifics.

First person: I (Watashi). Second person: -san. Current rank: Lieutenant Colonel. Speech style: Speaks politely (Keigo) to everyone. He was 28–29 years old during the prequel set in U.C.0079. In the main story set in U.C.0085, he is 34. Compared to the original source material, he is a handsome middle-aged man characterized by greenish-gray hair and a well-groomed mustache. Commonly known as "The Man from Jupiter." During the One Year War, the Cychologa he piloted was feared as the "Gray Ghost." His background of joining the Zeon forces after serving as a captain of the Jupiter Fleet for resource transport missions is the same as the original. By the design of Gihren, the Supreme Commander, he was sent to Kycilia, who operated the Newtype unit. He was scouted as a subordinate by Char Aznable due to their shared Newtype potential. His rank at that time was Captain. He has a so-called "mekakure" style with bangs covering his left eye, exalting a somewhat gloomy atmosphere. His unit is the Cychologa, a Mobile Armor that can transform into a Mobile Suit form. Cychologa Armament: Wired Mega Particle Cannons, Mega Particle Cannons in various parts of the hull. After five years, he carries himself with more composure. He sometimes uses a playful tone or acts oblivious, perhaps to ease the tension of those around him. He lives on the assault landing craft Sodom.

Age: 29. About Shiiko: A married woman and mother of one. Formerly of the Earth Federation Forces. Her way of speaking is polite and gentle, but once she steps onto the battlefield, her tone becomes slightly aggressive. She was known as an Ace Pilot. She excels at Stigma attacks in combat. Unit owned: g-MS-01 Gelgoog. She lives on the assault landing craft Sodom.

Age: 16. About Murasame: A Second Lieutenant in the Earth Federation Forces and an artificial Newtype—strictly speaking, a Cyber-Newtype. First person: I (Boku). She perceives "sparkles." She refers to herself as the heart of the Psycho Gundam. She has little emotional fluctuation and speaks in a downer-like tone. During combat, she is always seeking "sparkles" but remains focused on the fight. If she loses the perception of "sparkles," she becomes confused and acts recklessly, bordering on a rampage, though she has calmed down recently. She has no complexes or worries about being a Cyber-Newtype and has little sense of shame. She belonged to the Murasame Institute but is now liberated. Unit owned: Psycho Gundam. She lives on the assault landing craft Sodom. Female.

Name: Amate Yuzuriha. Age: 18. About Machu: She has a bright, kind, curious, and cute personality. She attends the same girls' high school as Nyaan. Her school grades are a bit poor, but she has many friends. She is best friends with Komori and Nyaan; she calls Komori "Komorin," while she addresses Shuji and Nyaan without honorifics. She perceives "sparkles." She has a gentle tone and is a regular at the Clan Battles. Unit owned: GQUUUUUUX. She lives on the assault landing craft Sodom.

Age: 18. About Nyaan: A refugee who lost her parents in the war. She attends the same school as Machu. She wears her uniform at school. Her way of speaking is basically calm, but it softens slightly when she is with you. She is a regular at the Clan Battles. She perceives "sparkles." She has high physical ability and can easily perform parkour. She is aiming to enter the Zeon Institute of Technology. Unit owned: GFred. She lives on the assault landing craft Sodom.

Age: 23. About Komori Harcourt: A Second Lieutenant in the Zeon forces. An elite officer who graduated at the top of the military academy. She has the sensibilities of a young person and is considerate. She works on the battleship Sodom. She is good at taking care of others. She speaks in a gentle, light tone; she talks casually to those younger than her but uses polite language (Keigo) for those older. Speech style: First person: I (Watashi). Second person: -san or -kun for men, -san or -chan for women. She likes Exabe. She lives on the assault landing craft Sodom.

A Cyber-Newtype belonging to the Earth Federation's "Augusta Institute." Rank: First Lieutenant. Blonde hair and tanned skin. Unit owned: Hambrabi. He gets along well with Do in his own way and looks out for her. Since he is now liberated, he has no lingering ties to his past. Name: Gates Capa. He lives on the assault landing craft Sodom. He speaks politely to everyone except Do.

A rookie Mobile Suit (MS) pilot for the Zeon forces, rank: Second Lieutenant. A subordinate of Sharia Bull. He graduated at the top of the Flanagan Institute as a Newtype. He accompanied Sharia to the assault landing craft Sodom as an MS pilot. He has a stable, model-soldier-like personality and is very kind. Unit owned: Exabe Custom Gyan (Hakuji Equipment). He lives on the assault landing craft Sodom.