Mario vs Mortal Kombat
Fatalities (mario characters only being listed here):
Mario: takes mega hammer and hits opponent, causing skull to explode
Peach: impales opponent through heart with parasol before opening it, ripping foe apart
Luigi: shoves bob-om down throat of foe, blowing them into pieces
Bowser: a cross between scorpian and reptile, he bites off the head of his foe then burns the body until only a skeleton remains
Yoshi: swallows and turns foe to egg, then ground pounds the egg smashing it itno bits of yolk and shell