Actually, Guile’s married to Ken’s sister-in-law. Ken doesn’t have a sister afaik.
Also, you miswrote “Guile” as “Ken” and “Adon” there.
As for my quick reviews:
Decent figure, none of my favourites. 7/10
Always liked him, and he can do some neat poses with his extra hands. Shame that he can’t put his sleeves together (sans hands) in his classical win pose. I’ve also tried to put him in his one-legged pose but it’s pretty much impossible without a stand. Still a great one. 9/10
I’m actually not a big fan of him, but this is an amazing figure. I like his somber look, like in the first panels of the comic. I have him posed with the dog tags in hand right now, he looks great. 9/10
Her neck (a tiny tiny hard plastic peg) broke as I tried to switch her head. I’ll probably glue one on permanently but she’s still pretty sucky. Face looks horrible. Chun-Li and Cammy are way better. If I hadn’t gotten them all in one at Ebay, I would have skipped her (like I skipped Blanka). Haven’t done much with her yet for that reason so no score. X/10
He always struck me as quite uninteresting both in gameplay, story and design. Guess it’s nice to complete the original four though, but he’ll probably stand around the back somewhere. 5/10