AusGamers has posted a feature looking into Mario's less well-known past where his jobs were the likes of being a baker, a doctor and even a space-capsule pilot.
From the feature:
"Mario is renowned throughout the world as both a plumber and a rescuer of princesses. For folks like you and I, either one of these professions would be enough to keep us busy on a full-time basis. But not Mario. With over 210 million units sold and 200 games under his belt, Nintendo’s moustachioed mascot is easily the hardest working man in the videogame biz. We all know Mario as a kart racer, a golfer, a tennis player, and even a doctor (despite an apparent lack of medical qualifications). But cast all of that aside, and Mario’s résumé would still put even the most storied careers to shame. Let’s take a look at some of Mario’s more obscure vocations..."