Well, I hope you're joking. You should know that there's an age minimum of 13 years on Wikia, so if you really are 10, then you are currently too young to have an account on here. I'm not asking for your age (certainly didn't before), I'm just reminding folks of Wikia policy on here.
If you're trying to ask Bader Mousa, you'd be better off making a new topic on his/her message wall instead of replying to the automated message above.
On the message wall page (http://garfield.wikia.com/wiki/Message_Wall:Bader_Mousa), you should see a box with "What's this about?" and "Post a new message to Bader Mousa's wall" on different lines. That's where you do it.