As you might guess from the "4 acts" part of the description this isn't a four-frame cartoon - it goes on for quite a few pages and it is also available as a slideshow.
Warning! This is very much not suitable for math phobes. You will encounter traces of math in this cartoon.
That said Act 1 is a summary of the history of how we got to AES from DES and doesn't have any math in it. Act 2 covers some basic cryptography. Act 3 is where the AES is described in some detail - well for a stick figure cartoon it really is amazing detail! And finally Act 4 is a summary of the math that you need to know to make sense of it all.
Not only a great introduction to AES, the cartoon it provides an example of how you could use the same approach to explain other complicated ideas. I have a feeling that it might go horribly wrong if not implemented with sufficient humour and wit - but anyone for "Stick Figure Does Rocket Science"?
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