Who is little lemon?

Little Lemon is a British children's character created by writer/illustrator Roger Hargreaves. He is one of the Mr. Men characters and was first introduced in the 1971 book Mr. Men. He is depicted as a small, yellow, lemon-shaped creature with a friendly and cheerful disposition. He is known for his love of music, particularly playing the guitar and singing. Little Lemon often appears with other Mr. Men characters in books, TV shows, and other merchandise.