Annoying:
The Pokémon Center Birthday Flabébé only comes in Japanese or English. However, if you claim it in another language, it locks in the nickname even on evolution.

Here's my Floette named "Flabébé" because it was claimed in a Spanish save, and there's no way to change it. pic.twitter.com/xMkLvZU9OU

— Anubis (@Sibuna_Switch) December 14, 2022