Check This Out
1)On your facebook open my account
2)Next thing is that you should go to the start button on your desktop and click all programmes,accessories,system tools and then character map.
3)Once the character map appears, you can scroll and choose the symbols you need.
4)Click on the symbol you like,then click select and then the copy button by the side.
5)And now you could just pate it by the side of your name or anywhere.