Hoo-boy! I should probably just show you the pictures of what Henry did to his room:
The day got much harrier at this point.
But it ended well.
The silver lining to a mess of these proportions is that it warrants a thorough room-cleaning/closet-organizing. And an extensive talking-to about everything having a place and bedrooms not being pig sties.
This morning, there's not a single pair of super-hero underpants out of place in there.