Eddie Balthazar is the son of Edgar Balthazar from The Aristocats and was introduced in Return to the Isle of the Lost: A Descendants Novel.
Eddie was first introduced in the novel. 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 'So cool'.
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 introduced in Chapter 26, 'Anti-What?'in Return to the Isle of the Lost: A Descendants Novel.
- He has a snaggle toothed grin resembling his Father's.