Its just your status, pple can comment or whatever. It is viewable by clicking on someone's profile. I am sorry, I know that's not very helpful.
Ask Emma, she knows how to make them. she will make one for you im sure. I just changed mine a few days ago. It was a chicken with pig ears and a butcher knife. Fits my personality
Oh, do you mean what I have now? Its just o downloaded the emoji then put it as my avvy. Emma did too.
I am sorry, I know that's not very helpful.