So there’s a similar thread on WK and I find it quite enjoyable to read, so what’s the story behind your username?
Mine was from the Rinkworks random name generator for my League of Legends account years ago, and I just started using it for more and more things until it became my default.
When I first starting learning Japanese, I began learning how to write all of the Kanji from Genki 1 and eventually moved into more and more difficult Kanji. I don’t really practice writing anymore, but one that I will never forget is 龍. Out of all of the Kanji that I ended up learning, this one was always the most satisfying to write and stylize. The reading for the Kanji (りゅう) ended up becoming my username. 
I wanted something easy that I would use everywhere, so it’s just my first name and the initials of my family name. Super boring, but also super convenient because it’s the same on every website. 
Mine was a self reminder to pay the bill if I want to continue using 
and a pray to have much 
Jprspereira comes from my irl name, João Pedro Rodrigues Sá Pereira. Yes, we Portuguese have longgg names :b
I’ve been using it since my childhood, probably when I lacked ideas. It’s also a very unique username, so I can afford to have a single username for every platform I’m in 
Mine is super cheesy. I had a boyfriend who used to call me tomoyo because my email was snap chat name was tomonari kasumi (from .hack) Before I told him my actual name and were just talking he abbreviated it to tomoyo (to this day I have no clue where the yo comes from). Then I slapped tk to the end of it because that was the og name and it reminds me of digimon which I watched a lot as a kid.
Hi guys,
I use this name for a long time now.
It is composed of two characters from two different video games of my childhood: Zack (Final Fantasy VII) and Alucard (Castlevania, Symphony of the Night).
Never change it since ^^
Al denteeeee
Al denteeeee
Al denteeeee
It’s me with Christmas mode on still. My level of laziness to change it is equivalent to still having to take the Christmas tree down.
To sign up on kitsun, I had to input a username.
I tried 義読む and it was accepted.
I thought “Cool ! I can use japanese characters for the username !”
On the dashboard it says “Welcome Back, 義読む” but on the forums I’m 1117.
I guess the forums don’t like japanese characters for the username.
That’s pretty funny, I didn’t know Discourse doesn’t allow Japanese characters 
Severian is the name of my favourite character from Final Fantasy XIV, and it’s just uncommon enough that I often manage to bag the username on most sites 