Add the following hammer if proposal NPCs! passes:
Doppelganger

If an Doppelganger-type hammer is used on another monkey, that monkey and everyone after em is pushed down one position. That position is now occupied by a monkey called Doppelganger n where n is equal to the number of doppelgangers in the game. Doppelgangers are counted as NPCs. There can be a maximum of 3 doppelgangers in the game, if a new one is created, the one with the smallest number of the four will be destroyed.

Add the following hammer:
Greater Good

If a greater good-type hammer is used on another monkey, the victim gains 2 bananas and the monkey who used the hammer loses one banana.