Instead of "kep", if you want something that visually stands out, there are also lots of fun little symbol-like characters you can use, even when you're dealing with a language where identifiers are limited to ID_Start/ID_Continue (e.g. Javascript, Rust). My favorite collection :)
The article explains it as a fork that just blindly copies the changes in the original source to avoid legal complications but not add any new technical value.
https://stickertop.art/content/images/2025/11/IMG_4148-1.jpe...