Vice President Rodriguez is the hidden quinary antagonist in Iron Man 3.
Rodriguez was the Vice President of the United States. His daughter had lost a leg and, desperate to help her condition, he allied with Aldrich Killian to accomplish this. He fed the location of President Ellis to Killian so that the latter would kill the President and make Rodriguez the new President under his command. He was able to keep his actions a secret, but Tony and Rhodes ultimately discovered his treachery, and Rodriguez was arrested for his crimes.