In Western genres of fiction, creators often make "nod and wink" sly references in homage to the work of their peers. For example, there was a brief cameo appearance by ET in STAR WARS: EPISODE 1. Marvel Comics has a group of superheroes called the Squadron Supreme that is clearly a takeoff/parody of DC Comics' famous Justice League.
Did the wuxia novelists ever make these "nod and wink" references to each other's works in their stories? For example, did Gu Long ever depict a character who was clearly a knock-off/parody/tribute to a Jin Yong character, or vice-versa?