Cookie Monster is a friend to all on Sesame Street, and kids will love learning how to share toys, help others, and be a good friend from this funny, furry monster. About the Sesame Street ® Character Guides series: Elmo, Abby, Big Bird, and their Sesame Street friends join this positive introduction to character traits and social and emotional wellness. Hands-on activities help kids model each topic, while simple text and a colorful design keep things engaging and fun.