The fleet admiral controls theentire military force.

Sengoku is the current fleet admiral

The three admirals are the three strongestmarines under the Fleet Admiral. They are allhaki users and have all eaten Logia class devilfruits.

http://images4.wikia.nocookie.net/__cb20100811002623/onepiece/images/d/d0/Admiral-abilities.png

The trongest Marines underadmiral class.

Luffy pumps his blood through his rubber body allowinghim to stretch and move much faster. However, it takes lotsof energy and he needs to eat twice as much meatafterward.

Luffy blows into his rubber body allow himto expand certain areas of his body.However, after use, his body grows small.

A one armed pirate and luffysrole model. He lost his armsaving luffy from a shark.

Creater if what is know as"The Whitebeard Era."

Nothing is known about Kaidou

Nothing is known about Bid Mom

Zoan fruits allow one to take the form ofan animal. They can turn into a hybrid ofan animal and a full version of the animal.For example, the Neko Neko no Mi: Modelleopard allows one to turn into a leopardand a human-leopard hybrid.

Paramecia fruits allow one to change theenvironment around them or changesomething about their bodies. Forexample, The Hana Hana no Mi allowsone to grow limbs on any solid surface,even human bodies.

Logia fruits are considered the most powerful ofthe three classes of devil fruits. They allow oneto control and take the form of a certainelement. For example, the Mera Mera no Miallows one to control and take the form of fire.

This type of haki allows one to sense themovements of living things before theyhappen.

This type of haki allows of to harden theirbodies like a suit of armor. It also can beused as a weapon, giving one incrediblestrength.

This type of haki is the rarest type of haki. It isthe power of intimidation and can be sopowerful it can even make others loseconsciousness.