candidate: Ranger Smith ( John Francis Smith ) , a park ranger in " Yogi Bear " cartoons J. Wesley Smith ( 1899–1965 ) , a character in cartoons of Burr Shafer John Smith ( Kyon ) , Kyon 's alias in the novels and animations of the Haruhi Suzumiya series John " Hannibal " Smith , a character in " The A-Team " John Smith , also known as " Number Four " , the main protagonist of the young adult novel , " I Am Number Four " John Smith , the main protagonist played by Bruce Willis in the film " Last Man Standing " John Smith , a protagonist played by Brad Pitt in " Mr. & Mrs. Smith " John Smith ( Doctor Who ) , an alias of the Doctor in " Doctor Who " media John Smith ( Jericho ) , a character in the TV series " Jericho " Agent Smith , also known as John Smith , the main villain in The Matrix franchise .