Monkey D.Garp

Name: ِMonkey D.Garp - In Japanese : コビー曹長 
Voice actor: Hiroshi Naka.
Age: Unknown
Height: Unknown (As tall as Admirals).
First appearance in One Piece (anime): ep-68
First appearance in One Piece (manga): ch-92

Nicknames:

Aokiji

Name: ِKuzan - In Japanese : クザン
Voice actor: Takehito Koyasu.
Age: 45
Height: 346 cm.
First appearance in One Piece (anime): ep-226
First appearance in One Piece (manga): ch-303

Nicknames:

• Aokiji (Blue Biker)

Fleet Admiral Sengoku

Name: ٍSengoku - In Japanese : センゴク
Voice actor: Takkou Ishimori.
Age: unknown
Height: unknown (seems as tall as the Admirals).
First appearance in One Piece (anime): ep-151 
First appearance in One Piece (manga): ch-234

Nicknames:

• Sengoku the Buddah

Roles: 

• Former Fleet Admiral of Marines

Battles:

Fleet Admiral Akaino

Name: ِSakazuki - In Japanese : サカズキ 赤犬 Voice actor: Unshō Ishizuka.
Age: 55
Height: 346 cm.
First appearance in One Piece (anime): ep-278
First appearance in One Piece (manga): ch-397

Nicknames:

• Akaino

Roles: 

• Marines' Fleet Admiral

Battles:

• Akaino Vs White Beard

Gicko Moria

Name: Gicko Moria - In Japanese : ゲッコー･モリア
Voice actor: Katsuhisa Houki.
Age: 48
Height: 692 cm.
First appearance in One Piece (anime): ep-343 
First appearance in One Piece (manga): ch-449

Nicknames:

• King Of Shadows

Award on his head: 320,000,000.

Devil fruit: Kage Kage no Mi.

Roles: 

Admiral Kizaru

Name: Borsalino - In Japanese : ボルサリーノ
Voice actor: Unshō Ishizuka.
Age: 42
Height: 346 cm.
First appearance in One Piece (anime): ep-398 
First appearance in One Piece (manga): ch-405

Nicknames:

• Kizaru (Yellow Monkey)

Roles: 

• Admiral in the Marines

Battles:

• Kizaru Vs Hawkins 

One Piece Skypia

Luffy, Sanji and Usopp vs Satori