These are some villains who made the mistake of underestimate Luffy

Luffy is one of the most beloved anime protagonists of all time and an extremely important figure in his work. This started as a carefree boy and with a great dream, but experienced various tragedies and situations that made it mature faster. This has led it by a great training path to become stronger and protect their loved ones.

However, throughout this adventure, he has encountered a lot of villains who have underestimated him and made fun of him to the point that they have also tried turning combat and winning them.

Arlong

Arlong underestimated Luffy and he defeated him, sending him to prison

We started this list with Arlong, a character who made Nami experience a real hell, because he seized his village and made them suffer a lot. This belonged to the Gyojin race, so it was physically stronger than an average human. This, along with other benefits of his race, How can I breathe underwaterhe developed a feeling of superiority, looking at humans as inferior beings.

That is why, at the beginning, Luffy did not give importance or considered it as a worthy rival. Therefore, he was surprised when he managed to demonstrate his potential and turn the fight. Luffy proved that Arlong was wrong And he won the victory of the fight, sending the villain to impel down and releasing the people of Nami.

Crocodile

It is time to talk about the central villain of the Arabasta saga. This also has the infamous honor of having been defeated by Luffy twice. And, at first, Crocodile belittled Luffy, considering that he was nothing more than a rookie pirate and without experience. So he was totally surprised when the protagonist defeated him in Arabasta, releasing this kingdom from his control.

Luffy also showed that, despite not being the strongest or most experienced, he had a great intellect for combat, discovering how to cancel the villain fruit and advise accurate blows to defeat him. This was sent to Impel Down too.

Doflamingo

Doflamingo was a great villain in the work and also underestimated Luffy

Doflamingo is one of the best and most complex villains throughout One Piece, with a great impact on the franchise, even after its participation. And is that He was an important individual in the under world of workcontrolling some criminal organizations. Doflamingo also took the power of the Kingdom of Dressrosa after being a Shichibukai, having iron control in this place for years.

However, Luffy faced him to free this town. This battle was spectacular and impressive, since we could see more of the villain's power and its ability to destroy entire kingdoms. Dofamingo underestimated Luffy for his inexperiencenot to mention that he was very arrogant, so he was greatly surprised when the protagonist used his transformation of Gear Fouth to overcome him.

Kaido

Kaido quickly became the most difficult opponent to the Luffy had faced. These fought several timesgiving as winner Kaido, until the protagonist managed to awaken his fruit and transforming into the Gear Fifth.

Kaido has been one of the most fearsome villains, since he ruled the country of Wano for many years, but also abused the inhabitants, using it as test subjects for artificial fruit experiments. An authentic, malignant and extremely powerful villain. However, He made the mistake of underestimate the protagonistwho managed to turn combat and beat him.