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.
“Eek! No one told me there would be gh-gh-ghosts here! I wish I'd brought my Poltergust 3000 with me.” - Luigi, Fortune Street For his infant counterpart, see Baby Luigi. For the portrayal of Luigi in the Super Mario Bros. This article is about Mario's younger brother from the Super Mario franchise.
