# John Mastodon

> English word · Proper noun

## Definitions
1. Nickname for Eugen Rochko (born 1993), German software developer.

## Etymology
For the proper noun, referring to his creation of the website Mastodon. For the phrase, popularised in 2022 by Twitter users who condemned Elon Musk's purchase of the website.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/john-mastodon