Aldo Bardi, a man with a certain belief, is a leader of a group of young men in the underground city. He is calm and a gentleman, yet he has been against his younger brother, Dino...

He is the older brother of Dino Bardi and the leader of the Aldo faction. Aldo has neatly combed, short flaxen hair tied into a lose ponytail on the back. Sometimes his hair color is said to be golden in color

Aldo is kind, calm, and gentlemanly, and is respected in the Underground City