Who would have known that everyone's favorite pudgy plumber was also a M.D. Mario dons the white coat and all in this game as you manuever around medicine capsules of different colors to clear out the viruses found on the screen.
In a newer home, you may be pretty sure about what you'll find behind the walls, but in an older building, some surprises may require the help of a plumber even after you've burned five or ten hours on the job.
He is a plumber by trade--though you never really see him in his environment--that consistently gets charged to rescue Princess Peach, who routinely gets kidnapped by Bowser and his underlings.
Mario is probably the best known video game character ever made, and we can all thank Shigeru Miyamoto and the rest of the Nintendo team for developing such a memorable plumber.
While the Italian plumber has gone on to drive go-karts, play tennis, and even kill off a virus or two, the core appeal always comes back to the main adventure games where he is tasked with saving Princess Peach for the umpteenth time.