SOME HOW MY SCREEN NAME

Question

sOME HOW MY SCREEN NAME WAS REPLACED WITH ANOTHER AND i HAD ALMOST 4 MILLION POINTS ON THE POGO GAME TURBO 21 AND I HAVEN'T BEEN ABLE TO REPLACE MY OLD SCREEN NAME IT USED TO BE TX885hoot and someone changed it to tx885hootplay and I lost all my points. How can I get it back?