Why an Italian plumber? Staff July 9, 2005 14 Comments InfendoI would be interested to know how Nintendo came up with the concept of an Italian plumber called Mario. I mean, really. How/why did they opt for that concept? Any insider information lingering out there?Related Items Infendo Radio – seeking female gamers! September 11, 2008Super Mario Bros. takes over The Tonight Show with Conan O’Brien June 6, 2009Yep, it’s a thing: the “Name Holly’s Wii U Folders” contest is on! October 3, 2014