Nezu Nezu no Mi

The Nezu Nezu no Mi (鼠鼠 ) is a Zoan-type Devil Fruit that allows its user to transform into a hybrid or full version of a rat. Nezu (鼠 ) coming from Nezumi (ねずみ ) meaning “Rat”, in both Viz Manga, and the FUNimation dub, it is called the Rat-Rat Fruit. The fruit was originally found on rat island, but sadly the island had been attacked by King Bijou and thus he had taken over as its rule, Dr. Slugger had picked the fruit up.

Thinking that it was the Budai model of fruit, but having a funny feeling about such a thing and he had just took the fruit as a an insurance policy. It so happened that later the same day he was attacked by a group of pirates and gave the fruit to its captain, then the captain___ had ate it and since then he has become a Rat-Human (鼠 'ヒト, Nezu- Ningen )

Strengths
The main strengths of this fruit as shown by __, is that the user able to transform into a hybrid or full version of a rat. The user can go into a hybrid of full version, but while in a hybrid version the true strengths of the fruit shows. The user is able to use their own tails as a weapon, mostly as a third arm and such. The user will have an increased sense of both smell and hearing, due to the nose and ears the get. Of course awaking to an awaken zoan, so the user is able to gain an increase of speed, strength and other attributes. Also it appears that in a full form the user is able to get into small cracks and holes, able to break into places.

Weakness
The user only will have the standard weakness of the devil fruit, other than the chance whenever in a full form being stepped on or such.