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This user on Ask Different appears to have no name due to invisible Unicode characters:

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he's the #2 user on the site:

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Why is that allowed? I think it is confusing for users, e.g. when they will see at the bottom of an answer:

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It's not clear who answered, not clear what the rep numbers and badges are related to, and not clear how you can @reply to that user in the comments!

  • 5
    Very much related: meta.stackexchange.com/q/195798/152859 – Shadow The Dragon Wizard Sep 10 '13 at 8:36
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    @Bart I understand how it works, I'm actually questioning why U+034F ͏COMBINING GRAPHEME JOINER is allowed as a “character” in usernames – F'x Sep 10 '13 at 8:37
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    Yup; I'm sure @ShaWizDowArd knows that; he's just posting that because it was someone else recently who was taken aback by a user with such a name. – Andrew Barber Sep 10 '13 at 8:43
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    @AndrewBarber that's the same user actually. Guess he's laughing his invisible a$$ off now seeing all the havoc he's causing. – Shadow The Dragon Wizard Sep 10 '13 at 8:44
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    @ShaWizDowArd Ahh... well, how could I know it was the same user... since I can't see his name, and all!?!?!?! ;) – Andrew Barber Sep 10 '13 at 8:45
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    @AndrewBarber reputation, to begin with... ;) – Shadow The Dragon Wizard Sep 10 '13 at 8:45
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    @ShaWizDowArd Next you'll tell me the user ID. Pshaw! – Andrew Barber Sep 10 '13 at 8:46
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    User IDs @AndrewBarber ... geez, who voted for you in the elec...ah..nevermind. – Bart Sep 10 '13 at 8:46
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    how can i do that. Alt+255 doesn't work. – ͏͏͏user227219 Sep 10 '13 at 8:52
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    Because it's hilarious. – a cat Sep 10 '13 at 9:29
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    Interesting, it also eats the link to the user account. Maybe we could show a placeholder in such instances? I propose "Keyser Söze". – Frédéric Hamidi Sep 10 '13 at 9:58
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    Funny how of all people this question had to be asked by someone who himself is unpingable in chat. Jealousy? Alter ego? BRB posting on Skeptics. – ЯegDwight Sep 10 '13 at 12:23
  • @ЯegDwight I am not unpingable anymore :( – F'x Sep 10 '13 at 12:39
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    I found this thread because I came across that user on SU today. Not only are they using a non-displaying character for their name, but they are using a blank avatar as well (an 80x80 black PNG set to transparent). While it seems clever (and was probably what they were trying to do), it also seems like a pointless, meaningless attempt to subvert the system. – Synetech Sep 22 '13 at 17:48

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