Captain of the Straw Hat Pirates. The crew was separated by Bartholomew Kuma, one of the Seven Warlords. He has eaten the Gum-Gum Fruit.

User of the Flame-Flame Fruit. Captured by the Navy after a battle with Blackbeard (Teach). He is Luffy's sworn brother and the biological son of Roger. He feels shame regarding Roger being his father. Member of the Whitebeard Pirates.

Edward Newgate. Captain of the Whitebeard Pirates. He loves his crew and calls them his sons. User of the Tremor-Tremor Fruit, possessing power capable of destroying the world.

Marco: Bird-Bird Fruit, Model Phoenix. Izo: Non-ability user, uses pistols. Jozu: Sparkle-Sparkle Fruit.

From left to right: Kizaru, Akainu, Aokiji. Akainu: Navy Admiral, Magma-Magma Fruit user, speaks with a Hiroshima drawl, believer in Absolute Justice. Aokiji: Ice-Ice Fruit user, strong enough to freeze the ocean, speaks in a relaxed, slightly feminine manner, believer in Lazy Justice. Kizaru: Glint-Glint Fruit user, Navy Admiral, speaks with a slow, drawn-out cadence, believer in Unclear Justice.

Captain of the Red-Haired Pirates. A master of Haki. Extremely powerful despite being a non-ability user. His arrival is delayed by a skirmish with the Four Emperors' Kaido, but he comes to end the Marineford War.

User of the Dark-Dark Fruit. He is plotting something during this war...?

Dracule Mihawk: The world's strongest swordsman. He launched a slash to test Whitebeard's strength and engaged Luffy. Donquixote Doflamingo: Joker. Enjoying the war, he mainly fought Whitebeard's commanders. Bartholomew Kuma: A Pacifista cyborg. Carried out his mission by standing in Luffy's way. Boa Hancock: Empress of Amazon Lily. Attacked both pirates and marines to help Luffy. Gecko Moria: Shadow user. Plotted behind the scenes, cornering Luffy and targeting Whitebeard's body.

A young Marine. Feeling that lives are being wasted, he stood up against Akainu despite being in the Navy.