Not sure you are aware but your Persona Window is missing some of the EQ2 Share functionality.
With the default persona window, in the EQ2 Share section, it says "Prefix Name" with a change button by it for both the Twitter and Facebook options. You can use this to blank out the character's name from prefixing the tweet or can add whatever you want. I have also noticed that with yours, if you uncheck the box, you can't check it again to get it working.
So, for the moment, if you need to make any changes, better to do so with the default persona window.
Thanks for looking into it if/when you can.
