A misspelling of Luigi due to the fact that his brother’s name starts with an M. If the pattern is followed, Luigi’s name would start with M.

(W)ario (M)ario

(W)aluigi (M)uigi
It’s a me, Maweeji. Imda real name. Whoever da named me Luigi is a Wastupid. Issa da Muigi.
by Bennehftw November 14, 2022
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Muigi is pure evil. If you see a Muigi, well you won'tknow they'rea Muigi. Muigis typically go for the long con and lie all the time, to varying success. But they don't reveal their true intentions and spend most of their time scheming and planning. What are they planning you may ask? I have absolutely no idea, or do I? For all you know, I could be a Muigi.
Man: you're the Muigi? That's not possible!
by DanteMayDie June 4, 2022
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