Luigi is a fictional character featured in video games and related media released by Nintendo. Created by prominent game designer Shigeru Miyamoto, Luigi is portrayed as the slightly younger but taller fraternal twin brother of Nintendo's mascot Mario, and appears in many games throughout the Mario franchise, often as a sidekick to his older brother.
Mario is haunted by the past in which he lost his brother, Luigi, who died trying to hold back a horde of violent ghosts and zombies before they could break out of his mansion. With a familiar threat returning, Mario must come to terms with who he is, and save the Mushroom Kingdom with help from old and new allies alike.
