Scroop (voiced by Michael Wincott) is a villainous alien character and the main antagonist of Jaden goes to Treasure Planet. He was part of a pirate crew who wanted Captain Flint's treasure and planned to stage a mutiny on the the ship. Unlike John Silver, Scroop wanted the mutiny to be sooner and was violent towards Jim. During the supernova, Scroop sent Mr. Arrow to his death and blamed it on Jim. Scroop even used John Silver's soft spot for Jim against him. When Jim and Jaden's team went back to the ship to retrieve the map, Scroop attempted to kill them, but he was defeated when the artificial gravity was turned off and Scroop floated away to his death.
- Scroop will become Jeffrey's enemy in Jeffrey & Friends go to Treasure Planet.
- He'll return for revenge in the Jeffrey & Friends are Home Alone trilogy and the Jeffrey, Jaden & Friends meet Indiana Jones saga.
- Scroop will guest star in Jeffrey, Jaden & Friends' Storm Adventures of Star Wars: The Force Awakens.
- Scroop will sometimes team up with Deadpool.
- Scroop will become Twilight's enemy in Twilight goes to Treasure Planet, and after he is revived from dead by Anubis, he will join the Heylin Empire for revenge on Twilight and the Rainbooms.
- Scroop serves as one of Anubis' right-hand men.