This is exceedingly niche, but NPR’s Planet Money did a project to resurrect a superhero (Micro-Face) and license it for various uses. They licensed it for a musical, which makes a passing reference to Nix: NPR Cookie Consent and Choices
At roughly 29 minutes in:
Hear an ancient coder’s plea: change the Perl and PHP, with a couple double-clicks scrap the scheme and nix the Nix.