That artwork is not only featuring Mastodon mascot, but also three other fediverse mascot. Ai from Misskey and Pleroma-tan from Pleroma.
Drawn by popular artist on fediverse: David Revoy (https://framapiaf.org/@davidrevoy)
Original link for full artwork: https://www.peppercarrot.com/en/viewer/misc__2023-07-02_Oh-wow-you-are-on-fire-lately_by-David-Revoy.html (CC-BY-SA 4.0 license)
Its even more important to use various word from various language.
English as default also resulting American culture as the most prominent culture.
Newer generation are more acceptable to outside culture, so this will be work. Not to forget, the rest of non-English society already operate in multi language society and get exposed for various culture.
Years ago, people heavily localized Angliscize a lot of Asian media, but now, people are more accepting foreign naming convention. Just take a look at various FOSS porject in Japanese, Hindi, Persia, or Finnish.
A lot of communities on fediverse depends on menetization of their content, like comic artist, illustrator, cosplayer, and so on.
It doesn’t really show on Western fediverse, but on Japanese fediverse its really visible.