John Felix Anthony Cena (born April 23, 1977) is an American professional wrestler, actor, and former rapper. His notable acting work includes the films Ferdinand, The Suicide Squad and its series spinoff, Peacemaker, F9 and Fast x.
When Steve and Klaus learn that John Cena will be in town for a reading of his children's book in "Jambalaya", they decide to write and pitch an action script. Despite some frustrations with Francine, they complete their story and present it to him. When he inquires about a jambalaya stain on one of the pages, he finds out that Roger's pet alligator Julius has come up missing and comes to the rescue just as in the script. John reveals that he got involved because he had a pet alligator as well that he lost while scouting a shrimp factory. Taking a good look at Julius, he realizes that his lost friend and their reunited. It's later revealed that John and Julius have stolen Steve and Klaus story idea for a film.
John is voiced by Stephen Stanton.