A 24 characters handle will break the UI on mobile. I suggest it to be 10 characters maximum.
2-24, letters, numbers or underscores, now there are helpers to point that out.
Better don't ask, just somebody.
Which river? Asking because most rivers are contaminated these days. Be careful!
Well this looks very nice indeed. Just dipping a hoof into the river for now ...
I like it! :-)
To prevent abuse this is rate-limited to 2 new accounts per month.