It was because 90% of the eaters ended up smiling and laughing for the rest of their lives that Doflamingo, Caesar, and Kaidou named the fruit SMILE, cruelly mocking their misfortune.
Kaido ate the Uo Uo no Mi, Model: Seiryu, a Mythical Zoan-type Devil Fruit that allows him to transform into a full serpentine Azure Dragon.
Kaido's strength is what defines him the most and much of that comes down to his incredible Devil Fruit, the Mythical Zoan type Uo Uo no Mi, Model: Seiryu, or the Fish-Fish Fruit, Model: Azure Dragon.
The inquirer noticed that the people in Okobore town who were forced to eat the defective SMILE said that they were delicious. Oda then confirmed that while the actual devil fruits taste gross, SMILE would taste like a normal fruit.
The fruit is spherical and slightly oblong in shape, somewhat resembling a pinecone.
The Oni are a rather mysterious race as almost nothing is known about them. They haven't been officially introduced in the series yet, but there is no doubt that they will be confirmed as a separate race, sooner rather than later. There are two known members of this race- Kaido and Yamato.
As a Devil Fruit that has shown no clear weakness, the Magu Magu no Mi is perhaps one of the strongest.
One of the many snake Fruits seen in One Piece, the Yamata no Orochi version is considered to be the rarest out of them all. It was eaten by the Shogun of Wano, Kurozumi Orochi, and it grants him the ability to transform into an eight-headed serpent, each head having its own personality.
At some point under unknown circumstances, Killer eats a SMILE devil fruit which caused him to lose the ability to express anger and sorrow. He takes on the alias Kamazo the Manslayer.
Like normal Devil Fruits, SMILEs render those who consume them unable to swim.
One Piece Confirms That Kaido Never Awakened His Devil Fruit - IMDb. One Piece finally answers a question that has been splitting its fanbase for a long time, by giving proof that the powerful former Yonko, Kaido of the Beasts, never actually awakened his Devil Fruit.
The Uo Uo no Mi, Model: Seiryu is quite easily the strongest Zoan Devil Fruit, in terms of raw power, in the story so far. It was eaten by none other than Kaido, one of the Four Emperors, following the major battle on God Valley, 38 years ago.
According to him, the best way to stand on top of the world is Haki, another mysterious power in the series, born not from desire but from willpower. This means that Kaido's reliance on Haki made him less inclined to fully master his Devil Fruit abilities, including the awakening.
The Kraken is a legendary sea monster of enormous size said to appear off the coasts of Norway. In the Viz manga, the fruit is called Octopus-Octopus Fruit, Mythical Type, Model Kraken.
One of the most theorized powers that Monkey D. Dragon is thought to possess is the power of the Wind Wind Fruit or an ability that is related to wind.
After eating a faulty SMILE fruit, Killer lost the ability to express negative emotions and is now only able to smile and laugh.
Also, the abilities granted by SMILEs are noticeably weaker compared to natural Zoan fruits. Out of all the SMILE fruits created, only 10 percent of them successfully grant Zoan abilities to the consumer.
The Gum-Gum Fruit, also known as the Gomu Gomu no Mi, is a Paramecia-type Devil Fruit that the protagonist of One Piece, Monkey D. Luffy, ate at a very young age. This fruit has permanently turned his body into rubber and has thus given him the ability to stretch.
To everyone's surprise, Luffy, who was always believed to be a user of the Paramecia type Gomu Gomu no Mi, is actually a user of a Zoan type Devil Fruit. Furthermore, this isn't just any Devil Fruit, but a power described to be "the most ridiculous" to exist in the entire story.
The Mizu Mizu no Mi (lit Water Water Fruit) is a Logia-type Devil Fruit that allows the user to control and become liquid water.
Guru Guru no Mi allows the user to create propellers on their body, allowing them to fly and transport their allies. The devil fruit has very limited potential and there's not much Buffalo can do with it. He has no way of defending or attacking his opponent, which makes it completely useless in a fight.
The Soku Soku no Mi is a Paramecia-Type Devil Fruit that enables the user the ability to move at extreme speeds, thus making the user a Fast Human (速い人間 Hayai Ningen).
The Magu Magu no Mi has one of the highest offensive power among the Devil Fruits and its strength is powerful enough to take on people like Emporio Ivankov and Jinbe with minimal effort.