John Cena is a professional writer only.
John Cena . He is signed to WWE , where he performs on the SmackDown brand . Cena started his professional wrestling career in 1999 with Ultimate Pro Wrestling ( UPW ) and won the UPW Heavyweight Championship the following year . Industry veterans John Layfield , Paul Heyman , and Kurt Angle have called Cena the greatest WWE star of all time . Furthermore , he is a Money in the Bank ladder match winner ( 2012 ) , a two-time Royal Rumble winner ( 2008 , 2013 ) , and a three-time Superstar of the Year Slammy Award winner ( 2009 , 2010 , 2012 ) .