The correct Twitter page for the Hernandez campaign is here.
In the absence of evidence, we're not going to blame the O'Rourke campaign for creating the phony page. But it says a lot about his followers and the acolytes of the Democratic Party establishment that certain persons unknown felt compelled to create it. Somebody's getting merit badges in left-punching and underdog-trolling.
UPDATE: The link appears to have been fixed.