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Minorhinoceros is one of the five Jailer Beasts of Impel Down. He is an "awakened" Zoan Devil Fruit user, having eaten a Devil Fruit that allows him to turn into a rhino.[3]

Due to his actions, he can be considered a supporting antagonist of the Impel Down Arc.


In his Zoan form, Minorhinoceros is a large bipedal rhino in overalls. He has cutesy eyes, large lips, and a runny nose like the other Jailer Beasts. He wields two spiked clubs.


Minorhinoceros Manga Color Scheme.png
Minorhinoceros' color scheme in the manga.
Minorhinoceros Anime Concept Art.png
Minorhinoceros' concept art from the anime.


Minorhinoceros is described as being bashful. Despite this and his ridiculous appearance, he is incredibly bloodthirsty like the other Jailer Beasts and the prisoners fear him. However, he acknowledges Sadi's superiority in battle, even fearing her when she got angry over his failure.

Abilities and Powers

As one of the Jailer Beasts of Impel Down under Sadi, Minorhinoceros is in charge of torturing and maintaining various prisoners.


He wields two iron clubs, covered with spikes.

Devil Fruit

He has eaten an as-of-yet unnamed Zoan type Devil Fruit that allows him to become a rhinoceros. Because he is an "Awakened Zoan", he is able to recover rapidly even after suffering high amounts of damage.[3]



In the past history of Impel Down, the Jailer Beasts were one of the main threats in Impel Down; due to their amazing ferocity, thirst for blood and their incredible strength.

Impel Down Arc

The Minorhinoceros was called to Level 4 to try stop the riot that had started to take place, due to Luffy and Ivankov. However, Jinbe put an end to the Minorhinoceros' rampage by sending him flying with a powerful uppercut. After Sadi recovers from her fight with Ivankov, she whips the Minorhinoceros and other Jailer Beasts and orders them to go to Level 1. They arrive in time to attack Buggy's group, but are later defeated again by Luffy and Jinbe.

From the Decks of the World

After the timeskip, Minorhinoceros is seen with the other Jailer Beasts with their new member: Minochihuahua.

Major Battles

Anime and Manga Differences

In the manga, Minorhinoceros's weapons are two spiked maces, but in the anime the spikes are replaced by small bumps instead.

Minorhinoceros Spike Mace Manga Difference.png
The spiked mace in the manga.
Minorhinoceros Spike Mace Anime Difference.png
The blunt club in the anime.

In the manga, Minorhinoceros is defeated by Jinbe's Gosenmaigawara Seiken, while in the anime he is defeated by Crocodile's Sables.


  • Like the other Jailer Beasts, Minorhinoceros' name is a combination of an animal and Mino.
  • Minorhinoceros' birthday is a pun on his animal form, given the fact that in goroawase, it could be read as sa (3)- i (1), i.e. rhino.


  1. One Piece Manga and Anime — Vol. 54 Chapter 532 (p. 91) and Episode 433, Minorhinoceros' figure behind Sadi.
  2. One Piece Blue Deep: Characters World (p. 177), His birthday is given.
  3. 3.0 3.1 One Piece Manga and Anime — Vol. 56 Chapter 544 (p. 11) and Episode 447, Crocodile explains that the Jailer Beasts of Impel Down are "awakened" Zoans.

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