-Name: Mega Man X -Main Weapon: X-Buster --2nd Weapon: Acquired Special Weapons Mega Man X is a reploid leader of the 17th unit. Although as a Hunter he is ranked class B vecause he dislikes combat, he has ferocious fighting ability.

-Name: Zero -Main Weapon: Z-Saber --2nd Weapon: Z-Buster --3rd Weapon: Acquired Special Techniques Zero is the leader of Zero Unit and and a Special Class A Hunter. He is always cool-headed and accomplishes his mission without the slightest hesitation.

-Name: Signas -Position: Leader of the Hunters When the previous general of the Hunters resigned to take command of the Reploid Wars, Signas was selected for the general's post. Although his fighting abilities have not yet reached their peak, he has the most precise CPU of all existing Reploids.

-Name: Alia -Position: Navigator Alia started out as a researcher in reploid engineering. She has mastered all programming languages and has extensive technical knowledge. She has been chosen as a navigator for the Hunters.

-Name: Douglas -Position: Mechanic Douglass is a mechanic who makes and maintains everything for Hunters from weapons and vehicles to facilities. He makes power-up parts for Mega Man X and Zero.

-Name: Lifesavor -Position: Maintenance Lifeavor supports the Hunters by doing maintenance on them and developing virus vaccines. He is suspicious of Zero's vaccine reaction.

-Name: Dynamo -Main Weapon: Double Beam-saber --2nd Weapon: Desperado Buster --3rd Weapon: Electro Kaiser Dynamo is a mercenary hired by an unknown agency. Though he is a trouble maker, his skills as a Hunter are higher than Special Class A. He hangs around with X and Zero to bother them.

-Name: Sigma -Main Weapon: Electro Spark --2nd Weapon: Energy Wave --3rd Weapon: Virus Shield Sigma is once again back, only this time he isn't after X anymore... After meeting with an old scientist, Sigma discovered Zero's origins, and now wants to unleash Zero's hidden powers...