It was inevitable, after the British newspaper The Independent overhyped some researchers claims about the possible existence of a jovian (or larger) mass planet out in the Oort belt, some Nibiru folks have jumped on this.
Source: http://astroblogger.blogspot.com.au/2011/02/tyche-its-not-nibiru-and-probably-not.html
Source: http://astroblogger.blogspot.com.au/2011/02/tyche-its-not-nibiru-and-probably-not.html