After viewing [this user name](http://meta.stackexchange.com/users/155074/%d0%a0%d0%a1%d0%a2%c8%a2%d1%b8%d0%a4%d0%a5%d1%be%d0%a6%d0%a7%d0%a8%d0%a9%d0%aa%d0%ab%d0%ac%d1%a2%d1%a4%d0%ae%d1%a6%d1%aa%d1%a8%d1%ac%d1%a0%d1%ba%d1%ae%d1%b0%d1%b2%d1%b4) (which contains a lot of Unicode) I had the idea to test if usernames allow ZALGO. To my dismay **they do**.

Is this wanted? Together with ShadowWizard we did a quick test. ZALGO has the ability to "break" comments.

>![][1]

Shouldn't that be avoided before someone start abusing it?


  [1]: https://i.sstatic.net/t2JMh.png