Pecha Kucha Idea Generation

The bit I'm really struggling with is how to present this in a Pecha Kucha presentation. I've done Pecha Kuchas before, 20 slides 20 seconds etc.. But that was presenting something like my future plans or whatever.. this is completely different.. This is more, from what I understand, a 4 and half minute performance... not even sure why they're calling it a Pecha Kucha.

Is it the kind of thing I could just set up a camera and film myself as one of the characters taking on one of the experiments?

Could I get changed in four minutes? and play two characters? What would take place in-between the characters?

Sirens. a tannoy voice

"Subject zero zero two please make your way to the testing room"

It would be a display of what goes on in the creative laboratory.

Almost like an advert for the labs.

Could have a presenter dressed in the lab coat and mask stood in front of the testing room talking directly to the camera.

"Hello, I'm John and I'm the CEO of the Creative Laboratories, rehabilitation unit for the creatively disabled. Here we have a group of subjects who have come directly from an STM attack, and today we will be demonstrating some of the work that we under go here at the Creative Laboratories. We believe that creativity is fundamental to our nations growth, and so we have devised a programme of experiments to help these subjects to start thinking creatively again.. So, without further to do, over to Sophie to introduce our first subject. thank you"