I have a friend called Kake. That's her name, with that spelling and no surname. It may not be the name she was given at birth, but she changed it. People do. For all sorts of reasons.
She has been using (Kake ...) as her google profile name, because there's no way to leave the surname blank. And now they've suspended her. I believe she may actually be able to prove that this is her legal name, but she may decide not to bother, and she shouldn't have to.
Google, you're fucking doing it wrong.