You can find alot here http://twitter.com/wwe/following
Feel free to add more if they are new or not on list above or below
@WWE - Official WWE Twitter
@WWEShop - WWE Shop
@TrueKofi - Kofi Kingston
@findEvan - Evan Bourne
@JEFFHARDYBRAND - Jeff Hardy
@MATTHARDYBRAND - Matt Hardy
@thebellatwins - The Bella Twins
@mslayel - Layla El
@LillianGarcia - Lillian Garcia
@AnnouncerJustin - Justin Roberts
@howardfinkel - Howard Finkel
@WWEJoeyStyles - Joey Styles
@maryse0uellet - Maryse
@HurricaneHelms - Gregory Helms
@IAmJericho - Chris Jericho
@EveMarieTorres - Eve Torres
@MariaLKanellis - Maria Kanellis
@mikethemiz - Mike "The Miz" Mizanin
@WWEDivaTiffany - Tiffany
@wwejoshmatthews - Josh Matthews
@ZackRyder - Zack Ryder
@Torrie11 - Torrie Wilson
@JCLayfield - John Bradshaw Layfield (JBL)
@realsandman - The Sandman