Wrestling is a profession of John Cena.
John Cena . Cena started his professional wrestling career in 1999 with Ultimate Pro Wrestling ( UPW ) and won the UPW Heavyweight Championship the following year . As of 2016 , John Cena is WWE 's highest-paid wrestler . World Wrestling Entertainment , Inc. ( d/b/a WWE ) is an American publicly traded , privately controlled entertainment company that deals primarily in professional wrestling , with revenue also coming from film , music , video games , product licensing , and direct product sales . WWE SmackDown . '' '' ' [ [ WWE ] ] SmackDown '' '' ' , also currently referred to as '' '' ` SmackDown Live '' '' ' ( stylized as '' '' ` SmackDown LIVE '' '' ' ) or simply '' '' ` SmackDown '' '' ' , is a [ [ professional wrestling ] ] [ [ television program ] ] that debuted on August 26 , 1999 .