To get them do the following: Date everyone there is to date Finish gai's 50-match tournament in the nindo Talk to konohamaru in the academy about your stats
When you have enough chakra, hold triangle till you turn a multicolor set. THen when you press circle on the ps2 version, if you hit your opponent they will be sucked into it.
if you mean "Ominous Chidori," then you have to date kakashi 2 or 3 times to get the "scratched headband," then date sasuke 2 times to get the "scroll of fierce thunder."
took me a while to figure...