gattsuru:

brazenautomaton:

tiny brain: bowser gets a mushroom power-up that makes him peachlike

glowing brain: bowser has a really hot sister who resembles peach

galaxy brain: peach gets a mushroom power-up that makes her bowserlike

rumiko takahashi brain: bowser gets a power-up that makes him peach-like, peach gets a power-up that makes her bowser-like and promptly abducts bowser.