What are the famous writers who are cheerful and positive?

Liang Shiqiu, Lin Yutang and Lao She are all considered as humorous writers. But in my opinion, Lin Yutang's humor is a bit pretentious and humorous. Lao She's humor is a popular "taste" (not derogatory, I also like Lao She very much), while Liang Shiqiu is somewhere in between. His humor is restrained, natural, peaceful, frank and gentle, which is exactly in line with the original intention of "humor".