Suggestion for the name of a super villain.
The first actor begins a scene as the super-villain suggested by the audience. They set up their plot for world domination. Actor two then joins the scene as the super hero destined to thwart them. The super villain is charged with coming up with traps, obstacles, or problems for the hero which requires the hero to think on their feet and use objects they have in their utility belt to overcome the obstacles until they can defeat the villain.