: He believes that if you're going to have a backstory, it's better if it's multiple choice . This makes the menu unpredictable—buttons might move, or labels might swap places just to see how the user reacts.

: Let the menu react to the user. If they linger too long, have the Joker start reciting limericks or challenging their choices.

: Reference his iconic look—the chalk-white skin and green hair —in your UI design to instantly signal his chaotic intent.