Mr. Grumble is the 41st book in the Mr. Men series by Roger Hargreaves. Mr. Grumble is the second grumpiest man in the world after Mr. Grumpy. “Bah!” says Mr. Grumble. He hates laughter, and he hates singing.
Mr. Perfect is the 42nd book in the Mr. Men series by Roger Hargreaves. Everything about Mr. Perfect is just perfect. He never has a bad day or anything. He gets in trouble by Mr. Uppity and Mr. Grumpy.
Mr. Cheerful is the 43rd book in the Mr. Men series and the final one by Roger Hargreaves. Mr. Cheerful is the second happiest man in the world, next to Mr. Happy.