Kaido of the Beasts is one of the Yonko and the third to be mentioned by name. He is also one of the central antagonists of the Pirate Alliance Saga. According to Trafalgar Law and the manga, Kaido is known as the "strongest creature in the world".
Kaido's name was first mentioned by Gekko Moriah shortly after he obtained Luffy's shadow. His title of Yonko was revealed just after the Straw Hat Pirates defeated Moriah.
Powers and Stats
Name: Kaido, The King of the Beasts
Origin: One Piece
Classification: Yonkou, Pirate
Speed: Relativistic via powerscaling
Lifting Strength: Class T
Striking Strength: Country Class via powerscaling
Durability: Country level via powerscaling (Has been captured by both Marines and enemy pirates, including Yonkō, innumerous times, only to survive each time. Spears are incapable of piercing his skin, jumped down 10,000 metres, creating a massive island sized dust cloud upon impact, and merely receiving a mild headache)
Stamina: Very high via powerscaling, characters weaker then him have fought for several days straight
Range: Extended melee range via large size
Standard Equipment: A large, metallic kanabō.
Intelligence: Unknown, but should be quite intelligent as a Yonko as he has large territories to manage and has to take care of his massive crew
Weaknesses: Easily gets angry over petty reasons