Danny Davis
... that World Wrestling Federation referee Danny Davis also competed as "Mr. X" while wearing a mask?
... that <a class="mw-redirect" href="./World_Wrestling_Entertainment" id="mwF9c" rel="mw:WikiLink" title="World Wrestling Entertainment">World Wrestling Federation</a> referee <b id="mwF9g"><a class="mw-redirect" href="./Dan_Marsh" id="mwF9k" rel="mw:WikiLink" title="Dan Marsh">Danny Davis</a></b> also competed as "Mr. X" while wearing a mask?