Spoiler alert! While we don’t know for sure who is behind the Scarecrow mask, the correct identity may be spoiled in the guesses below.
With so few clues, fans are scratching their heads trying to determine who is under the Scarecrow mask. Thankfully, the few hints have provided enough information to try and guess. Some users believe, based on a brief commercial, that Scarecrow could be a petite woman, so fans suggested songstress Kristin Chenoweth and skater Tara Lipinski.
Source: https://www.distractify.com/p/who-is-scarecrow-the-masked-singer