Zack

He has a brother named Damien, who is younger than him by two years.

Young Zack was smug and bratty.

Zack was human when he was young, but then a person cursed him at a young age.

A person was jealous of Zack's family wealth, so they cursed Zack in public to humiliate the family. They chose Zack because he was a bratty child. His parents sent him away with a nanny to raise and care for him. The person who cursed him, didn't expect the parents to send Zack away. when they saw that the family was still living the high life and vibin like nothing happened, they went and robbed their home and burned it down. His parents didn't survive.

Both Zack and Damien got wealthy from their parent's death.