Cookie Monster is a Muppet that appears in Sesame Street. He is a blue monster that is known for eating lots of food. He is also known for some of his famous eating phrases. His favorite food is cookies, as his name implies. He especially enjoys chocolate chip cookies. Throughout the years of his presence, he has gained increasing awareness of children's food habits. In 2007, Cookie Monster had told his philosophy (way of thinking) that "Cookies are a sometimes food."