I was able to, but I forget how. There was like one edit button, and you could edit just about everything @Pokemon101.
Unfortunately, it would break Discourse's notification system. Any time you had been tagged before wouldn't be a tag anymore. @Eco-FriendlyCookies could because it was within the first like 5 minuites of joining, most likely.
It would break the system. I wish there was a way too. There is not though
The usernames CAN be changed, but only by a moderator! They don't do it too often because then everybody would want it! Good question!
I wish we could because I changed my hopscotch username and now they don't match:(
If everyone changed their usernames every now and then, the forums would glitch and lag!