He's a mad genius! I like his compiler that generates executables made up only of printable characters: https://www.youtube.com/watch?v=LA_DrBwkiJA / https://news.ycombinator.com/item?id=16312317

He's super playful and awesomely smart!

I came across his channel recently and have been watching as many videos as I can. His channel reminds me why I got into computer science in the first place.