|Age|| 11 (Ghost Knight)
18+ (Ghost Knight)
|Family members|| Margaret Whitcroft (mother) |
Mr. Whitcroft (father)†
When Jon is four years old his father dies. He lives in Germany with his family, but is later sent to a boarding school in Salisbury.
- Main article: Ghostknight
Jon thinks Ella is very pretty, and joins forces with Ella's "mad" grandmother Zelda to rescue her when ghosts capture her.
Jon hates his mother's boyfriend, and is annoyed when his sisters, dog and mother like him.
Stu Crenshaw and Angus Mulroney Edit
Stu and Angus are Jon's roommates at the Salisbury Cathedral School. They first don't believe his stories about ghosts, but do so later, after Jon buries Longspee's heart at his wife's feet.
William Longspee Edit
He is the ghost Jon and Ella call upon to vanquish Stourton.
- Jon is based on Cornelia's son, Ben Funke, in some way.
- Cornelia Funke says Jon is a younger version of her "brilliant" British literary agent, though this way confirmed to be unintended.