Mario: Super Mario Bro.
Pokemon: Honestly? Now its X
Zelda: A Link to the Past
Metroid: Zero Mission
Mario Kart: Mario Kart 64 (not that I've played many since then)
Animal Crossing: New Leaf
Fire Emblem: Only played the 3DS one, but loved it.
Super Smash Bros.: SSB 64, never did play Brawl though.