Here is a list of the people that jam on KOF XII (you will notice most of them are from ozhadou :-\). Also not sure how the netcode is but at least you have some names to try it out on.
(NZism)
Lennysaurus
B1ackstar Ninja
orochan
(ozhadou)
Fighting Olive
Ichorid4
Glassy123
Remxi
kiddemo
Z3KE57AH
Add orochan to the list plz
Done for ya.