1-MARCO THE PHOENIX
Marco the Phoenix is one of the strongest characters in the entire One Piece series, as he demonstrated in the war that he was on a similar level of fighting as the three admirals and even Whitebeard himself.
Marco the Tori Tori no Mi, Model: Phoenix, a Mythical Zoan-type Devil Fruit which allows him to transform into a phoenix, granting him the ability to fly.
While this fruit’s power is classified as a Zoan, due to the uniqueness of the phoenix, the additional powers it grants may be considered similar to those of Paramecia (the somewhat “superhuman” power that affects the user’s body: regeneration) and Logia (the generation of light-blue phoenix flames).
The fruit’s greatest attribute, however, is that Marco can recover from any damage he accumulates in his human form by reverting to his phoenix, or hybrid phoenix form, or just by summoning blue flames around his body. These blue flames are not hot and they do not burn or spread like normal fire; instead, they are what allow him to heal, and are referred to as the “Blue Flames of Resurrection”. Furthermore, the healing properties of his blue flames can also be used to treat other beings, albeit to a more limited extent, allowing Marco to act as an efficient doctor.
Lucky Roo is one of Yonko Shanks’ most important men. He’s the first person to kill someone both in the anime and the manga, by shooting a mountain bandit in the head at point blank range.
During Romance Dawn, we see one of Higuma’s men pointing a gun at Shanks’ head, then after Shanks warns him suddenly Lucky Roo appears and shoots him. Now here’s the question, how can a big man like that go there that quickly without being noticed? It is likely that he is based on Lucky Luke (a fictional cowboy -gunfighter- from the “Lucky Luke” Franco-Belgian comic book) that is known as “The man who shoots faster than his shadow”.
Lucky Roo he’s supposed to be a Haki master or, anyway, a master in something different; in particular, many speculated that he uses a technique called “Life Return”. In this case, Lucky Roo eats so much because he is storing energy for a battle. Life Return gives him the ability to control his body; this can be used to turn fat into muscle, or just turn fat into energy.
3-KING THE WILDFIRE
As one of Kaido’s three right hand men, King has a great amount of authority over the crew, second only to Kaido the general. King is supposedly the strongest Disaster of the Beasts Pirates.
King ate the Ryu Ryu no Mi, Model: Pteranodon, an Ancient Zoan Devil Fruit that allows him to transform into a pteranodon hybrid and full pteranodon at will. This fruit gives him the ability of flight, and he can perform extremely powerful aerial attacks from mid air as shown when he toppled the Queen Mama Chanter, a gigantic ship, with enough force to throw Big Mom off.
Befitting his epithet, King is able to produce fire, both in his human and pteranodon forms.
King probably has a connection to Impel Down. Maybe he has worked there in the past, perhaps he even was the head jailer at one point.
He is shown to have a fearless side, as he had no fear in attacking Big Mom, in spite of her strength rivaling his captain, and he even mocked her for trying to invade Wano with a single ship.
Benn Beckman has the highest IQ of anyone in the East Blue. Across his voyages he’s learned a lot of experience, with an incredibly advanced intellect and great thinking capabilities.
When the Red Hair Pirates arrived at Marineford to stop the war, Beckman was able to climb on to a Marine ship’s mast and sit on it, all the while pointing his flintlock at Kizaru, without the latter noticing. Admiral Kizaru chose not to fight him, even though he had just fought the First Commander of Whitebeard’s crew and Whitebeard himself.
According to “One Piece: Vivre Card Databook” Benn Beckman is almost as strong as Shanks! His card says that Benn is incredible powerful in terms of physical combat. The card even says that “Comparable to Red Hair’s, this man’s existence is feared by even the powerful warriors of the New World!!”
Fitting his title of admiral, Kizaru is one of the most powerful fighters within the World Government and the Marines.
The greatest aspect of Kizaru’s physical abilities is his immense speed and extraordinary reflexes, which is further enhanced by the light based powers of his devil fruit. Kizaru, in fact, possesses the power of the Pika Pika no Mi, a Logia-type Devil Fruit that grants him the powers of the element of light.
He is capable of moving and attacking at the speed of light, and all of his attacks are based on the element of light, such as firing energy blasts from his fingertips or feet with extreme accuracy and precision. His power is very destructive, causing huge explosions and can easily destroy buildings. He also has the ability to reflect himself, essentially moving from one location to the next at the speed of light. Due to this fruit’s power, Kizaru is possibly the fastest man in the world.