Jin Yong novels are often littered with "Mr. Nice Guys" type of protagonists. They are the prototypes of a typical Jin Yong hero - nice, honest, kind, upholding justice, and more often than not advocating peace instead of fights (which is very hard considering fights, arguments, internal strifes and wars are common happenings in wuxia).
These are the most popular ones - Xuzhu, Duan Yu, Guo Jing, Zhang Wuji and Shi Potian. How about the other "Mr. Nice Guys" that are not mentioned here?
Who among them do you perceive to be the most perfect of all? Who in your eyes, in your opinion is the most perfect "Mr. Nice Guy"?