Who do you think would win? Master chief, The last Spartan and quite frankly, One of the coolest doods in video games, OR do you think the hothead Beast Bowser would rip Master Chief Apart? If you want to tell what you think, Place it here!
master chief would win cuz hed take a huge rpg and blow bowsers head away i mean mario can beat him by jumping on him i think a rocket to the face would beat him
Master Chief can jump higher than Magic Johnson. Thusly, he can jump over Bowser and grab the magic axe (or whatever the hell that thing was.) sending Bowser into his poorly thought out pit of lava trap like a little bitch.
If portly Italian plumber can beat gigantic fire-breathing dragon, and super-suited cyborg can pop a cap in said plumber's buttocks, then it can be reasoned that Master Chief > Mario > Bowser.