With its appearance in more than 200 video games, it is difficult not to have played Mario games. The character was first introduced by Nintendo in 1981. The Mario games never looked back since then. If you really love the pudgy, short, Italian plumber, then Mario theme wallpapers would surely make you desktop appear all groovy and smashing. Who knows – the colorful and glittery Mario theme wallpapers may also bring back some memories of your childhood days.