The term 'Who Knew?' can be answered with the crossword solutions AHA (3 letters), GEE (3 letters), ILLBE (5 letters), and IHADNOIDEA (10 letters). AHA is an expression of surprise, GEE is a mild exclamation of surprise, ILLBE is an informal way of saying 'I will be', and IHADNOIDEA is an expression of surprise that someone did not know something. Together, these solutions suggest that the answer to the question 'Who Knew?' is 'Nobody knew!'