OVA
Description
The Mad Hatter hosts a tea party featuring imaginary tea and biscuits, concluding the event by expressing hope for future meetings with the protagonist. This established tendency to pretend later impacts his credibility.

He reappears as a witness during the trial of the Jack of Hearts, accused of stealing the Queen's cherry pie. The Mad Hatter testifies against the Jack. The protagonist directly challenges this testimony by citing the Mad Hatter's history of pretending, specifically referencing the serving of imaginary tea, creating conflict in the proceedings.

Visually, this version of the character is distinguished by wearing a distinctive purple outfit. No background information exists regarding the character's personal history, relationships, or development across other official media for this adaptation.