Answer: cookiemonster

AnswerCrossword Clue
COOKIEMONSTERFrank Oz persona
COOKIEMONSTERMuppet with a voracious appetite
COOKIEMONSTERVoracious Muppet
COOKIEMONSTERBig name on "Sesame Street"
COOKIEMONSTERMuppet with a major sweet tooth
COOKIEMONSTERMuppet with quite an appetite