Nezu Kunoichi
Terra The Yamabushi
Nezu Kunoichi
I Kero I
De-Evolution Spray
You don't really need that, pressing B interrupts the evolution process quite well.
Not to mention Everstone is another choice to avoid the tedious task of "B" pressing
This is very true.
I think they want to be able to make there pokemon un-evolve.... Did I guess right?