Carlos Jr.-The oldest of the Advincola Brothers and the wielder of the Ancient Armor of Courage. Even though he's the leader of the group, he's mostly the clown in the team. Always making jokes and playing around with everyone he meets. Though he makes jokes and plays around a lot, he always finds himself alone. Carlos is the first to discover the brown jewelry box that contained his and his brothers' pearls, helping them transform into the Ancient Warriors. Starting this unexpected adventure sent Carlos into hiding. But after realizing that he had a family who would fight by him whatever the circumstance brought forth a courage he thought he never had.

Josue-The second oldest of the Advincola Brothers and the wielder of the Ancient Armor of Integrity. Josue is almost everytime the silent one in the group. But when he does speak it catches everyone around him off guard. His hobbies are drawing anime and playing guitar. After college Josue says that he wants to form his own band. He's one that doesn't like to play around especially when it deals with his school work and fighting the forces of darkness. Sometimes he acts like the older brother when Carlos gets out of control.

Esteban-The third sibling of the Advincola Brothers and the wielder of the Ancient Armor of Knowledge. Esteban is the brains of the team who makes the best plans to take down the badguys. Even though Esteban is incredibly smart, he sometimes can become real annoying. He always uses big words to annoy his three brothers and when he knows something, he enjoys to show-off. Some people have sometimes said that he's more crazier than Carlos. People don't just know Esteban as a genius but also one that laughs real loud, never stops playing around, and one that always gets phone calls home from his teachers. Esteban and Elias are always arguing and fighting with each other.

Elias-The youngest of the Advincola Brothers and the wielder of the Ancient Armor of Reliability. Elias is basically the pretty boy of the team, and also the cocky one. Everytime he sees a girl he always goes up to her and asks for her number, and vice versa. He also enjoys to prove people he's stronger than them, even to his brothers. He works out of five to six times a day to keep himself in shape. When on the battlefield, Elias rarely fights beside his brothers. If he sees an army of blood thirsty he won't think twice about fighting them alone.

Pastors Carlos and Nancy Advincola Sr.-The loving and caring parents of the Ancient Warriors. They hid the brown jewelry box from their four sons for so long because they feared their sons weren't ready to grasp their destines. The rest of their story is unknown.

Chori and Iha-The parents of Carlos Sr. and the grandparents of the Advincola Brothers. Their story is also unknown.

Master Kentar-A good friend of Chori and Carlos Sr.'s trainer. His entire relationship with the Advincola Family and his own story is a complete mystery.

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