Luigi - Super Mario Wiki, the Mario encyclopedia

Luigi is Mario's younger but taller twin brother, the secondary protagonist of the Super Mario franchise, and the main protagonist of the Luigi's Mansion series. Throughout his life, he has lived in Mario's shadow, developing both cowardly and heroic tendencies. Despite this, Luigi has helped and fought
Luigi is Mario's younger but taller twin brother, the secondary protagonist of the Super Mario franchise, and the main protagonist of the Luigi's Mansion series. Throughout his life, he has lived in Mario's shadow, developing both cowardly and heroic tendencies. Despite this, Luigi has helped and fought

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