The answer to the crossword for the term 'WHAT THE GRINCH IS 'AS CHARMING AS' is EEL (3 letters). The Grinch is a fictional character created by Dr. Seuss in his 1957 children's book 'How the Grinch Stole Christmas'. He is a green, furry creature who lives in a cave on a mountain and hates Christmas. The phrase 'as charming as an EEL' is used to describe someone who is not very pleasant or attractive.