Tatsu is the main antagonist of the Ocean's Dream filler arc (based off the video game of the same name) of the anime One Piece.

Tatsu's voice effect is provided by Cris George.

Tatsu first appeared to be an instument played by Noko/Dream that was used to steal people's memories. However, towards the final segment of the arc, it is revealed that Tatsu was the real mastermind behind the theft of memories and that he was using Noko for his Devil Fruit powers (the ability to put people to sleep). On his own, Tatsu could easily be defeated by any member of the Straw Hat pirates (though Zoro was the one consistently attacking it due to it being "annoying"), but when using his powers, he shows a streak of cruelty by showing mirages of the Straw Hats' loved ones (among them including Bellemere, Dr. Hiluluk, Kuina, Kaya, Zeff, Ace, and Shanks), then begins to absorb even more memories in the form of their past enemies (among them Sir CrocodileEnelDon KriegCaptain Kuro, and Arlong). He stole memories in hopes of becoming a Millenium Dragon, but was defeated by Luffy before it could fly away.

Navigation

           One piece logo by zerocustom1989 d1dghop-pre.png Villains

World Government
Leaders
Im | Five Elders

Celestial Dragons
Saint Charloss | Saint Rosward | Saint Shalulia | Saint Jalmack | Donquixote Doflamingo

Cipher Pol
CP9
Chief: Spandam
Assasins: Rob Lucci | Kaku | Kalifa | Blueno | Jabra | Kumadori | Fukuro | Nero
CP-0
Agents: Rob Lucci | Spandam | Stussy | Kaku

Marines
Fleet Admiral: Akainu
Admirals: Aokiji | Kizaru | Sengoku
Officers: Zephyr | Vergo | Captain Morgan
Seven Warlords of the Sea
Sir Crocodile | Donquixote Doflamingo | Gekko Moriah | Bartholomew Kuma | Buggy "the Clown" | Edward Weevil | "Blackbeard" Marshall D. Teach

Impel Down Staff
Magellan | Shiliew | Blue Gorilla | Minotaurus | Minokoala | Minorhinoceros | Minozebra | Minochihuahua

Four Emperors
Kaido "of the Beasts" | "Big Mom" Charlotte Linlin | "Blackbeard" Marshall D. Teach

East Blue Pirate Crews
Buggy Pirates
Buggy "the Clown" | Mohji | Cabaji | Richie | Alvida | Galdino

Black Cat Pirates
Captain: Kuro "of a Hundred Plans"
Others: Jango | Sham & Buchi

Krieg Pirates
Don Krieg | Gin | Pearl

Arlong Pirates
Arlong "the Saw" | Chew | Kuroobi | Hatchan | Pisaro | Kaneshiro | Take | Shioyaki

Paradise Pirate Crews
Foxy Pirates
Foxy "the Silver Fox" | Porche | Hamburg | Itomimizu | Chuchun | Capote | Monda | Pickles | Big Pan | Referee | Gina

Thriller Bark Pirates (Mysterious Four)
Gekko Moriah | Hogback | Absalom | Perona

Macro Pirates
Macro | Gyaro | Tansui

Caribou Pirates
Caribou | Coribou

New Fishman Pirates
Hody Jones | Dosun | Zeo | Daruma | Ikaros Much | Hyouzou | Hammond | Kasagoba | Harisenbon

Flying Pirates
Vander Decken IX | Wadatsumi

New World Pirate Crews
Donquixote Pirates
Captain: Donquixote Doflamingo
Elite Officers: Trebol | Diamante | Pica | Vergo
Officers: Sugar | Giolla | Lao G | Senor Pink | Machvise | Dellinger | Gladius | Buffalo | Baby 5 | Monet
Others: Bellamy | Caesar Clown

Emperors' Crews
Beast Pirates
Govenor-General: Kaido "of the Beasts"
All-Stars: King "the Conflagration" | Queen "the Plague" | Jack "the Drought"
Numbers:
Headliners: (Tobiroppo: Page One | Ulti | Who's Who | Black Maria | Sasaki)
(Others: Sheepshead | Ginrummy | Basil Hawkins | Holdem | Speed | Babanuki | Daifugo | Solitaire | Dobon)
Gifters: Batman | Gazelleman | Mouseman | Alpacaman | Madilloman | Rokuro | Snakeman | Rabbitman
Others: Scotch | Scratchmen Apoo | Pleasures | Waiters

Big Mom Pirates
Captain: "Big Mom" Charlotte Linlin
Sweet 3 Generals: "Thousand Arms" Charlotte Cracker | Charlotte Smoothie | Charlotte Katakuri
Officers: Charlotte Perospero | Charlotte Compote | Charlotte Daifuku | Charlotte Oven | "Demon Lady" Charlotte Amande | Charlotte Opera | Charlotte Brûlée | "Scribe" Charlotte Mont-d'Or | Charlotte Pudding | Charlotte Flampe
Combatants: Baron Tamago | "Sweeper" Bobbin

Blackbeard Pirates
Admiral: "Blackbeard" Marshall D. Teach
Ten Titanic Captains: Jesus Burgess | Shiliew "of the Rain" | "The Supersonic" Van Augur | "Corrupt King" Avalo Pizarro | "Demon Sheriff" Laffitte | "Crescent Moon Hunter" Catarina Devon | "Colossal Battleship" Sanjuan Wolf | "Heavy Drinker" Vasco Shot | "Death God" Doc Q

Other Pirate Crews

Golden Lion Pirates
Captain: Shiki the Golden Lion
Others: Dr. Indigo | Scarlet

Kid Pirates
Captain: Eustass Kid | Killer

Rocks Pirates
Captain: Rocks D. Xebec
Others: Kaido of the Beasts | Charlotte Linlin | Shiki the Golden Lion | John

Other Pirates
Alvida | Bellamy | Demaro Black | Drip | Higuma | Mounblutain | Caribou | Capone Bege

Other Groups
Baroque Works
Officer Agents: Mr. 0 | Miss All-Sunday | Mr. 1 | Miss Dounglefinger | Mr. 2 Bon Kurei | Mr. 3 | Mr. 4 | Miss Merry Christmas | Mr. 5 | Miss Valentine
Frontier Agents: Mr. 7 | Miss Father's Day | Miss Monday | Mr. 9 | Mr. 11 | The Unluckies

God's Army
God: Enel
Priests: Ohm | Satori | Shura | Gedatsu
50 Divine Soldiers: Yama | Hotori & Kotori

Franky Family
Franky | Zambai | Square Sisters | Tamagon | Kiev | Schollzo | Kop

Sea Kings
Lord of the Coast | Master of the Waters

Germa 66
Vinsmoke Family
Vinsmoke Judge | Vinsmoke Ichiji | Vinsmoke Niji | Vinsmoke Yonji

Kurozumi Family
Kurozumi Orochi | Kurozumi Higurashi | Kurozumi Kanjuro

Orochi's Army
Kurozumi Orochi
Orochi Oniwabanshu
Captain: Fukurokuju
Others: Daikoku | Fujin | Raijin | Hanzo

Mimawarigumi

Others
Wapol | Duval | Caesar Clown | Smiley | Hakuba

Non-Canoncial
El Drago | Bear King | Hyena Three | Honey Queen | Gasparde | Needless | Noko | Tatsu | Baron Omatsuri | Lilly Carnation | Don Accino | Byrnndi World | Bill | Mad Treasure | Gild Tesoro

Neo-Marines
Zephyr | Ain | Binz

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