Velma Kelly is the main antagonist of the musical Chicago and its 2002 film adaptation. She is imprisoned on the suspicion of murdering her husband and sister (which she privately confesses to) and is also the chief rival and nemesis of the (equally villainous) Roxie Hart.
a "Mount Rushmore" is a top 4 greatest or most impactful of something, but in this case, make it oddly specific.
rules: pick 4 for your mount rushmore, downvote the rest that are outside your rushmore