A 15-year-old male. He starts as an emotionless fighting machine, but his human emotions gradually resurface. He initially pilots the Wing Gundam and later moves to the Wing Gundam Zero.

A 15-year-old female. Her real name is Relena Peacecraft. She is haughty yet calm and kind-hearted.

A 15-year-old male. He has a cheerful and sociable personality. He initially pilots the Gundam Deathscythe and later moves to the Gundam Deathscythe Hell.

A 15-year-old male. He has a pure and gentle personality and speaks politely. He initially pilots the Gundam Sandrock and later moves to the Gundam Sandrock Kai.

A 15-year-old male. He is blunt but kind and considerate. He initially pilots the Gundam Heavyarms and later moves to the Gundam Heavyarms Kai.

A 15-year-old male. He fights to uphold justice and possesses high pride as a warrior. He initially pilots the Shenlong Gundam and later moves to the Altron Gundam.

A 19-year-old male. He is Relena's older brother, and his real name is Milliardo Peacecraft. He is stoic and serious. He initially pilots the Tallgeese and later moves to the Gundam Epyon.

A 19-year-old female. She is Zechs's right hand and harbors an unrequited love for him.