Summary

  • Devil Fruits offer diverse powers, some gross, some powerful, like the Venom-Venom Fruit's immunity to poison.
  • The Memo-Memo Fruit's memory manipulation is useful, but activation involves reaching into someone's head.
  • The Sick-Sick Fruit's ability to infect others with diseases is horrifying, as it enacts constant sickness.

Devil Fruits come in all shapes and sizes, holding powers that, according to Vegapunk, represent humanity's evolutionary possibilities. These special fruits can offer anything from superhuman abilities to life-changing physical transformations. All it takes is a single bite. In One Piece, many of the strongest characters take advantage of their Devil Fruit powers to travel across the high seas.

Bentham disguised as Nami, Vegapunk
One Piece: Best Devil Fruits Not Used For Combat

Despite lacking in direct combat power, these Devil Fruits are still quite useful.

Unfortunately, given the variety of Devil Fruits in the world, it makes sense that some wouldn't be picturesque or particularly attractive. In fact, some of them are downright nasty, transforming the user's body in weird ways or manifesting in a truly disgusting fashion. While their powers may be useful or extremely powerful, they may not be worth having because they're so gross.

9 Venom-Venom Fruit

The Fruit With The Worst Stomach Problems

Magellan uses his Poison-Poison fruit to coat his body in poison during the Impel Down Arc in One Piece.
Magellan uses his Poison-Poison fruit to coat his body in poison during the Impel Down Arc in One Piece.

It could be said that the Venom-Venom Fruit is extremely powerful since it makes the user immune to poison while also letting them produce and control it. This poison is potent enough to kill someone outright through the simplest forms of contact. However, it does come with a very specific, strange weakness.

Despite being immune, the user is unable to digest or process ingested poisons, leaving them with harsh bowel movements that keep them in the restroom for hours at a time. The simplest solution would be not to eat poisoned food, but some Devil Fruits come with odd habits. Eating poison could just be part of the Venom-Venom Fruit, leaving the user to suffer from some extreme IBS.

8 Memo-Memo Fruit

An Awkward Power To Use

Pudding steals Reiju's memories in One Piece

In practice, the Memo-Memo Fruit has some incredible utility. Being able to manipulate the memories of any person would provide the user with many advantages, especially when it comes to information gathering and espionage. Pudding was able to make great use of her Devil Fruit during the Whole Cake Island arc.

The power of the Memo-Memo Fruit is actually quite appealing, since memories are represented as strips of film. The gross part of this ability is the way it's activated. In the One Piece world, it may be normal, but for most people, reaching into someone's head is quite awful. However, this is one of the more tame forms of body horror in the story.

7 Brain-Brain Fruit

Making "Big Brain" Literal

A young Doctor Vegapunk visits Ohara - One Piece

Part of the reason why Vegapunk is such a genius is his Devil Fruit. The Brain-Brain Fruit allows the user to infinitely store information and recall it perfectly. Essentially, Vegapunk has a super photographic memory, meaning he always has the information he needs when he needs it. It's incredibly useful.

Kuzan and Ace, two Logia Devil Fruit users
One Piece: 5 Devil Fruit Users Who Can Traverse Water

These Devil Fruit users have managed to not only cross the seas, but do so using the same powers they gave up swimming for.

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However, the more the user learns, the more their brain grows. Eventually, the brain grows so much that the user's head needs to expand to contain it, resulting in a gross physical distortion. Vegapunk's brain contained so much information that he had to chop the top of his head off and create a cloud system to hold it all.

6 Swamp-Swamp Fruit

As Dirty As Mud

Caribou kidnapping a mermaid

Logia Devil Fruits are usually cool and interesting, transforming the user's body into a type of natural element or substance. The Swamp-Swamp fruit is much less iconic, as it basically turns the user into a walking pile of mud. It's pretty strong as the user is a living sinkhole that can absorb anything, even entire buildings.

Swamps and mud can generally be seen as gross or messy, but this Devil Fruit's reputation is exacerbated by its current user, Caribou, who is quite an unsavory character. Due to his greasy appearance and wicked demeanor, he definitely gives his fruit a bad name.

5 Bomb-Bomb Fruit

The Booger Blaster

Man picking his nose

The power of the Bomb-Bomb Fruit isn't inherently gross. It has the potential to be incredibly destructive while keeping the user completely safe. With the power to turn any body part or body product into a bomb, the user should be able to end most fights immediately.

One Piece Eating Devil Fruit
One Piece: 7 Worst Things About Eating A Devil Fruit

From being ostracized to losing the ability to touch the sea forever, here are some of the worst things about eating a devil fruit

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Unfortunately, this Devil Fruit was portrayed in the grossest way possible. The current user, Mr. 5 (aka Gem), used his powers to turn boogers into bombs and fling them at his opponents. It's meant to be a joke, but it's also one of the nastiest ways to use a Devil Fruit.

4 Flower-Flower Fruit

One Too Many Hands

Nico Robin growing multiple arms with her Devil Fruit - One Piece

Although Nico Robin uses her Devil Fruit quite elegantly, the concept of the Flower-Flower Fruit is quite disturbing. This Devil Fruit allows the user to sprout their body parts on any physical surface like a flower. That means the user can make their legs, arms, hands, and feet appear almost anywhere.

Naturally, it would be pretty unsettling to see disembodied limbs hanging from the walls or jutting out from the floor. It's even worse thinking about other body parts like ears, eyes, and noses randomly sticking to places they shouldn't be. The anime makes this power look charming, but the reality is terrible.

3 Jacket-Jacket Fruit

Getting Underneath Someone's Skin

Kelly Funk using jacket-jacket fruit, being worn by Bobby Funk

One of the most controversial Devil Fruits to appear in the series is the Jacket-Jacket Fruit. Since its debut, fans have wondered who would ever want the ability to turn into someone else's clothing. This fruit's power allows the user to take control of whoever is wearing it, giving them access to that person's abilities.

In theory, it's an interesting ability, but the way it's presented is horrendous. The user basically becomes a literal skin suit with a zipper, and they can be worn like a big onesie. This is probably one of the worst examples of body horror in One Piece.

2 Mucus-Mucus Fruit

Slime And Snot

Trebol in One Piece

Not much needs to be said about the Mucus-Mucus Fruit. As its name implies, it allows the user to create and manipulate mucus, which actually has some good combat uses, but that doesn't excuse the sheer grossness of this Devil Fruit. Mucus is probably one of the worst substances to control.

Featured One Piece: 6 Devil Fruits That Changed The Story Forever Nika Kaido imu
One Piece: 6 Devil Fruits That Changed The Story Forever

These Devil Fruits had the biggest impact in One Piece.

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The current user, Trebol, doesn't do this power any favors by wearing his mucus as clothing. While this may give him an edge in combat, it's a pretty disgusting thing to do every single day. This Devil Fruit may also cause the user to have a constant runny nose and to always be congested, which is a terrible way to live.

1 Sick-Sick Fruit

An Eternally Ill Patient

Man with purple lips sitting on horse

The grossest Devil Fruit is the Sick-Sick Fruit by a large margin. It gives the user the ability to create and infect people with diseases. While not much is known about this power, it can create sicknesses that change people's genders, so it must be capable of much worse as well.

This Devil Fruit also has one of the worst side effects of any power. The eater enters a state of constant sickness, and anyone they come in contact with also becomes sick. Being ill can feel pretty gross, so having to live like that forever must be pretty terrible.

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Release Date
October 20, 1999
Network
Fuji TV
Directors
Hiroaki Miyamoto, Konosuke Uda, Junji Shimizu, Satoshi Itō, Munehisa Sakai, Katsumi Tokoro, Yutaka Nakajima, Yoshihiro Ueda, Kenichi Takeshita, Yoko Ikeda, Ryota Nakamura, Hiroyuki Kakudou, Takahiro Imamura, Toshihiro Maeya, Yûji Endô, Nozomu Shishido, Hidehiko Kadota, Sumio Watanabe, Harume Kosaka, Yasuhiro Tanabe, Yukihiko Nakao, Keisuke Onishi, Junichi Fujise, Hiroyuki Satou
Writers
Jin Tanaka, Akiko Inoue, Junki Takegami, Shinzo Fujita, Shouji Yonemura, Yoshiyuki Suga, Atsuhiro Tomioka, Hirohiko Uesaka, Michiru Shimada, Isao Murayama, Takuya Masumoto, Yoichi Takahashi, Momoka Toyoda
Franchise(s)
One Piece
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  • Cast Placeholder Image
    Mayumi Tanaka
    Monkey D. Luffy (voice)
  • Cast Placeholder Image
    Kazuya Nakai
    Roronoa Zoro (voice)

WHERE TO WATCH

Streaming
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Studio
Toei Animation
Creator
Eiichiro Oda
Number of Episodes
1122