Oscar the Grouch is a character from the children's television show Sesame Street. He is known for his green, furry appearance and his love for living in a trash can. Oscar often expresses a grumpy attitude and enjoys collecting items that others might consider garbage. Despite his grouchy demeanor, Oscar has a playful side and often engages with other characters on the show. He teaches children about emotions and the importance of accepting different personalities. Oscar's character adds humor and diversity to the Sesame Street cast, making him a memorable figure in children's entertainment.