Images from this gallery...
His basic punch, punch, kick combo...
Is based on the exact same combo used in Super Mario 64
His dash attack...
Comes from Mario 64's slide attack, a move that was also activated from a run
His down Smash...
Derives from the breakdance Sweep Kick from Mario 64 as well
And last but not least his back throw...
Is a reference to his famous Bowser spin from Mario 64