I'm finally able to sit here on the computer for a moment or two. My apologies for the delay!
I went through all the guesses and found only 3 that came especially close to what Mike drew. Most people guessed either the Tooth Fairy or a bat! It was a lot of fun reading what people "saw" in his drawing. Again, here it is:
Email me at firstname.lastname@example.org and let me know which chart you'd like. Congratulations, Marjorie!
Thank you all so much for playing... Mike got a kick out of reading your answers, and so did I!