Hadie is the son of Hades. He was introduced in Return to the Isle of the Lost: A Descendants Novel.
Hadie is first mentioned in the Return to the Isle of the Lost. He, along with several other children on the Isle decide to reform their villainous status and form the Anti-Hero Club.
He cheers when Mal, Evie, Carlos and Jay arrive at the Anti-Hero Club's meeting. After indulging in some cake, he tells them that he found their actions in Auradon really cool. He explains that the villain kids saw Mal's change in Auradon and their desire to change their ways because of it.
He is sent along with the rest of the Anti-Hero club to scour the Isle for the Talismans of Evil to no avail. However after Mal discovers the underwater passage, he participates in the search for the land entrance. He looks over the beach near Rickety Bridge but discovers nothing.
- He was first introduced in Chapter 24, "Warm Welcome?" of Return to the Isle of the Lost: A Descendants Novel. However, he does not speak until Chapter 26, "Anti-What?."
- He is a part of the Yen Sid's Anti-Heroes Club along with Yzla, Harry, Jace, Claudine Frollo, Diego De Vil and a few others.
- It is possible he is younger than Mal, Jay, and Evie due to him being referred to as part of the younger villains in the Anti-Hero Club.
- A bust of his father appears in Dr. Facilier's shop in the 21st episode of Wicked World, "Pair of Sneakers."