now to the silver anniversary for maybe the biggest name in video game history. mario of nintendo super mario brothers. >> who do we thank for mario? why is he considered the spielberg of video games? our technology contributor daniel sieberg teched it out. >> reporter: 25 years ago, shigero miyamoto was a young graphics designer at nintendo who decided to shake up the idea of a video game hero, with a little guy who preferred a quick jump to a ready gun. tell me how the idea of mario came about. i understand he began his life as a carpenter, then later became a plumber? is that right? >> translator: yes, 30 years ago with donkey kong, mario was originally a carpenter, that's correct. before super mario we had mario brothers which featured mario and luigi. in that game, the game featured them as plumbers. >> reporter: in 1985, super mario brothers debuted on the