Actually, Ghetsis wasn't a problem at all for me - I had a Naive Excadrill that I had used to solo the E4 with Slash/Swords Dance/EQ/some rock move.
Cofagrius nearly killed me, I didn't know what type it was -_-
I haven't played my copies of Red, Yellow, Gold, Crystal, Ruby, Emerald, and LeafGreen in years though, might pull them out to have some fun.
what is banned under santa clause? - Blonic
only the move present is allowed in santa clause - +Sweep Talk