Two years after his brother, Mario, made his first appearance in the Arcade classic "Donkey Kong," Luigi would make his first appearance in Mario Bros. for the arcade as the character the second player would control. His appearance is a palette swap of Mario, the difference being he's colored with green instead of red. He was named after a pizza parlor which was near Nintendo of America's headquarters called "Mario & Luigi's". Luigi would then once again be featured in the world-famous Super Mario Bros. for the NES, which saw the two brothers traveling through the Mushroom Kingdom for the first to rescue Princess Peach (then called "Princess Toadstool") from the evil Koopa King, Bowser. Here, Luigi was clad in a green shirt, white overalls and white hat compared to his usual green color sc