'super mario' is actually based on legendary mythological hero 'marion the superb'. 'let's-a go' is taken nearly directly from marion's most recognizable phrase, 'let us go', and the good-natured 'wahoo' is in fact a corrupted form of marion's own tendency to pleasedly exclaim 'what ho!'. even the red and blue was lifted almost directly from marion's own desires to make his own equipment resplendent with the bright colors. my uncle works at nintendo and made out with shigeru miyamoto he told me its true
