I really liked all of these weapons as a point of diversity. We've all played the (great) RPGs where out of the 8 party members you have, 5 of them wield variations of swords. It was refreshing.

Though I'll definitely say the "pinwheel" has the least bang for its buck in terms of sound effects and feeling like you actually do damage. Honestly when I first heard the name I thought it was a variation of this:

kc_pinwheel.jpg