User blog comment:Kaido King of the Beasts/Best and Worst Filler Devil Fruits/@comment-25501246-20150829031825

I don't think there's a fruit that's more useless than Apis' Hiso Hiso no Mi. Completely outclassed by Chopper.

The best: the Batto Batto no Mi, in virtue of being a mythical Zoan that allows life draining. But if we're only talking about the anime, then the Peto Peto sounds original and strong.