Without giving away secrets, there is more to your internet signature than just your IP address and name and the Facebook interface is very effective and easy to use to the point where a non-computer savvy person can block you.
Long story short, you're not getting around it.
"as a fanboy i refuse to admit it and will pull countless things out of my butt to disprove it"
Team Thelegorm! Total Kills: 21 (i iz in uor profile, editsing your sigz)