simple thinking

 

Commissioned Marine Officers

• Fleet Admiral (元帥 Gensui^?)
  • Head of the Marines
• Admiral (大将 Taishō^?)
  • Governors of the Marines
• Vice Admiral (中将 Chūjō^?)
• Rear Admiral (少将 Shōshō^?)
• Commodore (准将 Junshō^?)
• Captain (大佐 Taisa^?)
• Commander (中佐 Chūsa^?)
• Lieutenant Commander (少佐 Shōsa^?)
• Lieutenant (大尉 Taii^?)
• Lieutenant Junior Grade (中尉 Chūi^?)
• Ensign (少尉 Shōi^?)

Infantry and Sailor Division

• Warrant Officer (准尉 Jun'i^?)
• Master Chief Petty Officer (曹長 Sōchō^?)
• Chief Petty Officer (軍曹 Gunsō^?)
• Petty Officer (伍長 Gochō^?)
• Seaman First Class (一等兵 Ittōhei^?)
• Seaman Apprentice (二等兵 Nitōhei^?)
• Seaman Recruit (三等兵 Santōhei^?) or Recruit (新兵 Shinpei^?)
• Chore Boy (雑用 Zatsuyō^?, not an official rank)

  Marine Members

  Marines
  High Ranking Officers
  Admiral Aokiji	Admiral Akainu	Admiral Kizaru	Vice Admiral Tsuru	Vice Admiral John Giant
  Vice Admiral Comil	Vice Admiral Momonga	Vice Admiral Onigumo	Vice Admiral Doberman	Vice Admiral Strawberry
  Vice Admiral Yamakaji	Vice Admiral Lacroix	Vice Admiral Ronse	Vice Admiral Dalmatian	Vice Admiral Kaizeruhige
  Rear Admiral Kadar	Commodore Smoker	Giant Squad	Head Scientist Dr. Vegapunk
  Marine Officers
  Captain Hina	Captain T-Bone	Captain Very Good	Captain Shu	Captain Sharinguru
  Captain Gorilla	Captain Nezumi	Commander Ripper	Lieutenant Commander Brandnew	Lieutenant Junior Grade Stalker
  Ensign Tashigi	Ensign Makko	Bogart (rank unknown)	Science Captain Sentomaru	Photography Captain Attach
  Marines Soldiers
  Master Chief Petty Officer Coby	Chief Petty Officer Helmeppo	Chief Petty Officer Shine	Chief Petty Officer Mashikaku	Seaman Recruit Fullbody
  Seaman Recruit Jango	Seaman Recruit Ukkari	Pacifista units
  Former Marines
  Fleet Admiral Kong	Fleet Admiral Sengoku	Vice Admiral Monkey D. Garp	Vice Admiral Jaguar D. Saul	Rear Admiral X. Drake
  Commodore Pudding Pudding	Captain Morgan	Lieutenant Junior Grade Rokkaku	Bellemere	Seaman First Class Lines
  Non-canon Marines
  Marines with Known Ranks
  Vice Admiral Jonathan	Rear Admiral Yukimura	Commodore Kibin	Captain Moore	Commander Governor
  Commander Shepherd	Commander Glove	Lieutenant Commander Hardy	Lieutenant Commander Rapanui Pasqua	Lieutenant Commander Drake
  Hot Wind Marines	Dr. Kobato	Shipwright Mekao	Head Chef Jessica	Chef Shinpachi
  Chef Billy	Chef Tom	Chef-in-training Tajio	Dishwasher Marley Brothers
  Marines with Unknown Ranks
  Isoka	Akibi	Rongo	Pukau	Saga
  Toma	Bismarck	Boo Kong
  Former Marines
  Nelson Royale	Gasparde	Lieutenant Commander Randolph	Ensign Daddy Masterson	Chief Petty Officer Minchey
  Ryudo