Betty's co-star Valerie Bertinelli just tweeted: Just spoke with Betty and she is VERY upset! @BettyMWhite is NOT her. Don't know how they got verified, but it is not Betty. Please RT! https://twitter.com/#!/Wolfiesmom/status/190140855208787968
Oh my........
UPDATE:
It seems as if the account is "real", although poor Betty had no idea it was opened for her!!