John Cena is a wrestler.
John Felix Anthony Cena Jr. ( [ ˈsiːnə ] born April 23 , 1977 ) is an American professional wrestler , rapper , actor , and reality television show host . Cena started his professional wrestling career in 1999 with Ultimate Pro Wrestling ( UPW ) and won the UPW Heavyweight Championship the following year . The WWE Championship is a professional wrestling championship in WWE , currently on the SmackDown brand .