BEWARE OF MAJOR UNMARKED SPOILERS, BOTH FOR THIS STORY AND THE MAIN SERIES! READ AT YOUR OWN RISK!
- Straw Hat Piratesnote Monkey D. Luffy, Roronoa Zoro, Nami, Usopp, Vinsmoke Sanji, Jeremiah Cross, Soundbite, Going Merry, Tony Tony Chopper, Nefertari Vivi, Carue, Lassoo, Boss Dugong, TDWS, Nico Robin, Conis, Su, Funkfreed, Thousand Sunny, Brook, Billy, Other Transponder Snails, Isaiah and Terry, Perona
- New World Masons
- The Four Emperors and Seven Warlords
- Allies and Piratesnote The Revolutionary Army, The Thirteen Supernovas, Roger Pirates, Other Pirates
- Marines, World Government, and Impel Down
- Othernote Accino Family, Hiruno Famiglia, B.R.O.B, The Unluckies, Sifu Dugong, The Obelisks of the Florian, Takoyaki 8, BioMEGAS, Devil Dog Mercenaries, Family & Friends