Mario first appeared in Donkey Kong. Donkey Kong had kidnapped Pauline. In Donkey Kong Jr., Mario kidnapped Donkey Kong as revenge for kidnapping Pauline. In Mario Bros., He went on his first adventure with Luigi.
Mario is very good at racing. He has appeared in all racing games. He will also appear in Mario Kart 8, coming in 2014. He doesn't have speed bonuses. Luigi is better than him at racing. And so is Daisy.