The author is super cool. They are one of very few people to write any substantial programs in Malbolge, a programming language designed to be cryptographically hard to use (or something like that)
Here's the program as talked about on HN:
https://news.ycombinator.com/item?id=38850961
https://github.com/kspalaiologos/malbolge-lisp
The cursed language: https://en.wikipedia.org/wiki/Malbolge
And the variant used by the program: https://esolangs.org/wiki/Malbolge_Unshackled