Scratch My Head The Riddler September 16, 2020 1 Comment Section: Brain Teasers Category: Riddle Difficulty: Easy Tear one off and scratch my head,What once was red is black instead. What is it? SOLUTION The answer is MATCHSTICK. The Riddler Website The Riddler (Edward Nigma) is a fictional supervillain and an enemy of Batman. He is created by Bill Finger and Dick Sprang.