John Cena is incapable of being a WWE wrestler.
John Cena . He is signed to WWE , where he performs on the SmackDown brand . Cena signed a developmental contract with the World Wrestling Federation ( WWF , later renamed to World Wrestling Entertainment , or simply WWE ) in 2001 , debuting on the WWE main roster in 2002 . Industry veterans John Layfield , Paul Heyman , and Kurt Angle have called Cena the greatest WWE star of all time . Throughout his WWE career , Cena has won 25 championships , with 16 reigns as a world champion ( 13 times as WWE Champion and three times as WWE 's World Heavyweight Champion ) , an accomplishment only previously achieved by WWE Hall of Famer Ric Flair . As of 2016 , John Cena is WWE 's highest-paid wrestler .