0 Who was the youngest man to be elected as US president? John F. Kennedy Bill Clinton Barack Obama Theodore Roosevelt Play Now More questions Which 80s TV hero transformed by saying "By the Power of Grayskull!"? Play Now In "Twinkle, Twinkle, Little Star," which gemstone is a star compared to? Play Now Enter your email to see the answer! By subscribing to TriviaTalent you are agreeing to our Privacy Policy and Terms of Use. See Results