Super Mario Brothers
From the very beginning Mario (and his brother Luigi) have ruled the console game world, from the humble beginnings of a plumber who is trying to save his girlfriend from a barrel hurling monkey, to the savior of the Mushroom Kingdom and beyond. The NES really popularized these guys, so take a look at the games that gave them their start in the video gaming world.
Such silly plumbers... they've managed to fall down some drainage pipes and arrived in the fungal overrun Mushroom Kingdom, and alas, the Princess of the Kingdom has been captured. The two plumbers must save the Kingdom and rescue the princess. Such a classic game... a gem in the gaming world.
An interestingly and refreshing format, Mario, Luigi, Toad and the Princess are all playable characters as the four must rescue the dream world from a new menace, Wart.
Mario and Luigi must again save the princess from Bowser and his 7 little spawned koopa kids. This game was huge, and my brother and I played this for many, many hours.