Sephiroth right now in KH2 is givin me problems...damn that heartless angel!!!
uhhh....Ruby and Emerald weapon in ff7, never beat em..
I forgot the name of the boss, but it was in mmx6, this big pink box thing that would just slide across the room...always killed me in 3 seconds, never could beat it.
uhhhh...who else.....I know there were plenty of bosses in kh2 that took me at least 10 tries or so to beat..namley the guy with the guitar the second time around.