John Cena is a WWE wrestler.
John Felix Anthony Cena Jr. ( [ ˈsiːnə ] born April 23 , 1977 ) is an American professional wrestler , rapper , actor , and reality television show host . 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 .