- “Perhaps you're the one that's mad”
- —Jefferson to Emma
Jefferson also known as the Mad Hatter is a character from the Once Upon A Time fandom.
Priscilla was Jefferson's wife in the graphic novel Out of the Past. She died before the events of Once Upon A Time.
Grace, known as Paige during the first curse, is the daughter of Jefferson and Priscilla.
- Mad Beauty – the het ship between Jefferson and Belle
- Mad Queen – the het ship between Jefferson and Regina Mills
- Mad Swan – the het ship between Jefferson and Emma Swan