Who is the cleverest and most stupid person in Water Margin?

Zhuge Liang in The Romance of The Three Kingdoms and Wu Yong, the intellectual star in The Water Margin.

Zhuge Liang, also known as Kong Ming, was born in Yang Du, Xuzhou (now yinan county, Linyi), an outstanding politician, strategist, essayist, calligrapher and inventor during the Three Kingdoms period.

Wu Yong, the main character in the novel Water Margin, ranks third in the novel, and is from Dongxi Village, Yuncheng County, Heze City, Shandong Province. He is knowledgeable, proficient in literary talent and resourceful, and often compares himself with Zhuge Liang, nicknamed "Mr. Jia Liang" and called "the wise man".