Fun reference in secret achievement name

[rambley enjoyer 73]

Was looking through the list of achievements out of curiosity and saw a secret one called "Phonomath" with the icon of a Kevin block from Celeste.

The Celeste reference is really cute and obvious, but I was a lot more surprised at the achievement name - it's a much more obscure reference to one of Kevin Regamey's (Powerup Audio team member, and of course Kevin block voice) previous works, Phonopath! It's not playable anymore due to the death of Flash Player but I'm really glad to see it hasn't been forgotten. Was a fantastic audio engineering puzzle game and there's been nothing else quite like it since.