Multiple choice Who disguised himself as Mad Eye Moody in The Goblet of Fire? Severus Snape Barty Crouch Jr. Vincent Crabbe Ernie McMillian Reveal answer Fill a bubble to check yourself B Correct answer Explanation Barty Crouch Jr. uses Polyjuice Potion to impersonate Alastor Moody throughout the school year to manipulate the Triwizard Tournament.