Eugen is a user on mastodon.social. You can follow them or interact with them if you have an account anywhere in the fediverse.
If you don't, you can sign up here.
Oh yeah it's friday (or well, not here anymore, but for some people) so you can do #ff (follow friday) where you recommend people worth following :)
@Gargron thank you!
@Gargron would you please do so yourself?